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A car suddenly cuts in front of you, creating a hazard. What should you NOT do?
Honk and stay close behind the car.
Signal and change lanes to avoid the car if possible.
Slow down to prevent a crash.
Slow down to prevent a crash.
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A key principle to remember about loading cargo is to keep the load
to the rear.
balanced in the cargo area.
to the front.
balanced in the cargo area.
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A vehicle is loaded with most of the weight on the steering axle. What may result?
Hard steering and possible damage to the tires
Too little traction on the steering axle
Better handling
Too little traction on the steering axle
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According to the driver's manual, why should you limit the use of your horn?
The horn is not a good way to let others know you're there.
It wears down the battery.
It can startle other drivers.
The horn is not a good way to let others know you're there.
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An en-route inspection should include checking
that the cargo is properly secured.
both of the above.
for tire overheating and brake overheating.
both of the above.
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An en-route inspection should include checking what?
Cargo doors and/or cargo securement
Tire temperature
Both of these
Both of these
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As part of your pre-trip inspection, you must check for
overloads.
poorly balanced weight.
both of the above.
both of the above.
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As your blood alcohol concentration (BAC) rises, what happens?
You can sober up in less time.
Judgment and self-control are affected.
You see more clearly how alcohol is affecting you.
You can sober up in less time.
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At night, when a vehicle is carrying a load that extends four feet or more beyond the rear of the body, there must be _________ at the extreme end of the load.
3 red flags
2 red lights
1 large red flag
3 red flags
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Before transporting a sealed load, you must check that
the load is properly secured.
the seal is authentic.
the placard numbers match the seal numbers.
the placard numbers match the seal numbers.
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Blocking the cargo to keep it from sliding must be done
at the cargo deck.
only at the front of a piece of cargo.
at the front, back, and/or sides of a piece of cargo.
at the front, back, and/or sides of a piece of cargo.
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Brake fade
can be caused by the brakes becoming too hot.
only occurs with drum brakes.
can be corrected by letting up on the brakes for 1-2 seconds and then reapplying them.
can be caused by the brakes becoming too hot.
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Cargo that can shift should have at least __ tie-downs(s).
1
2
3
3
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Controlled braking
involves locking the wheels for short periods of time.
is used to keep a vehicle in a straight line when braking.
can be used while you are turning sharply.
is used to keep a vehicle in a straight line when braking.
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Converter dollies built on or after March 1, 1998 are required to have anti-lock brakes. These dollies will have
a yellow malfunction lamp on the left side of the dolly.
a yellow malfunction lamp in the center of the dolly.
a yellow malfunction lamp on the right side of the dolly.
a yellow malfunction lamp in the center of the dolly.
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Convex curved mirrors
show a wider area than flat mirrors.
make objects appear larger than they really are.
make objects appear closer than they really are.
make objects appear closer than they really are.
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Dry bulk tanks and hanging meat
have low centers of gravity.
do not require special care.
are unstable loads.
have low centers of gravity.
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During a pre-trip inspection, you discover an exhaust leak or power steering leak. You should
note the problem and continue your route.
go home because you shouldn't drive the vehicle this way.
report the problem and make arrangements to use another vehicle.
note the problem and continue your route.
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Escape ramps are
for combination vehicles only.
used to get out of a burning truck.
used to stop runaway vehicles.
used to stop runaway vehicles.
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Every time you park your vehicle and shut the engine off, you should
leave it in gear (if it has a manual transmission).
turn the steering wheel as far to the left as you can.
apply the parking brake.
apply the parking brake.
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Front-end header boards
block the forward movement of your cargo.
protect you from your cargo in case of collision.
do both of the above.
do both of the above.
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Gross vehicle weight (GVW) is
the total weight of a single vehicle.
the total weight of a single vehicle, including its load.
the total weight of the vehicle axle.
the total weight of the vehicle axle.
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Heavy vehicles must sometimes travel more slowly than other traffic. Which of these is NOT a good rule to follow when you are driving such a vehicle?
Turn on your flashers if it is legal to do so.
Stay to the right.
Signal other drivers when it is safe for them to pass you.
Signal other drivers when it is safe for them to pass you.
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High beams should be
turned on when an oncoming driver does not dim his or her lights.
used when it is safe and legal to do so.
dimmed whenever you get within 100 feet of another vehicle.
used when it is safe and legal to do so.
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How can you avoid the effects that wet brakes can cause?
Both of these answers are correct.
Gently apply the brakes, increase engine rpm, and cross the water while keeping light pressure on the brakes.
Slow down and place the transmission in low gear.
Both of these answers are correct.
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How can you avoid wet brake problems?
Speed up or shift to a higher gear.
Apply the brakes harder and faster.
Slow down, shift to a low gear, and gently apply the brakes.
Speed up or shift to a higher gear.
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How do you calculate how many seconds of following distance you have?
Wait until the vehicle ahead of you passes a clear landmark. Then count off the seconds until you reach the same spot.
Divide your speed by four and add one second for every ten feet of trailer you are hauling.
Wait until the vehicle ahead of you passes a clear landmark. Then count off the seconds until you reach the same spot and then double that number.
Divide your speed by four and add one second for every ten feet of trailer you are hauling.
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How do you test the hydraulic brakes for leaks?
Pump the brake pedal three times; then apply firm pressure to the pedal and hold it for five seconds. The pedal should not move.
Drive slowly and pump the brake pedal. Make sure it doesn't hit the floor.
Drive 20 mph and slam on the brakes.
Drive slowly and pump the brake pedal. Make sure it doesn't hit the floor.
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How does "bleeding tar" affect the road surface and driving conditions?
Tar rises to the road surface in very hot weather, causing the roads to become very slippery.
It does not affect the road surface or driving conditions.
It is very sticky and slows down your vehicle.
It does not affect the road surface or driving conditions.
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How does the height of the vehicle's center of gravity affect safe handling?
Trucks with a high center of gravity can get stuck on railroad tracks.
Trucks with a high center of gravity can stop faster.
Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
Trucks with a high center of gravity can get stuck on railroad tracks.
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How far ahead should you be looking while driving in town?
As far ahead as you can see
1 block
2 blocks
2 blocks
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How long does it take a typical tractor-trailer to clear a single railroad track? A double railroad track?
It takes 14 seconds to clear a single track and more than 15 seconds to clear a double track.
It takes 7 seconds to clear a single track and more than 10 seconds to clear a double track.
It takes 10 seconds to clear a single track and more than 12 seconds to clear a double track.
It takes 7 seconds to clear a single track and more than 10 seconds to clear a double track.
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How many red reflective triangles should you carry?
4
3
1
1
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Hydroplaning
only occurs at speeds above 50 mph.
cannot occur while driving through a puddle.
is more likely when the tire pressure is low.
is more likely when the tire pressure is low.
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If a straight vehicle (no trailer or articulation) goes into a front-wheel skid, it will
slide sideways and spin out.
go straight ahead even if the steering wheel is turned.
go to the right.
go to the right.
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If required, a driver's trip log
may be written in pencil.
must be shown immediately when an officer requests it.
may be brought up to date once a week.
may be written in pencil.
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If the vehicle in front of you is smaller than yours, it can probably
stop faster than you.
outrun you.
make turns faster than you.
stop faster than you.
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If you are being tailgated, you should
flash your brake lights.
signal the tailgater when it is safe to pass you.
increase your following distance.
increase your following distance.
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If you are convicted for driving under the influence (DUI) while driving a commercial vehicle, and this is your first offense, you will most likely get
probation for a period of one year.
at least a one-year suspension of your CDL.
a fine of $500.
at least a one-year suspension of your CDL.
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If you are driving a 30-foot vehicle at 55 mph, how many seconds of following distance should you allow?
8 seconds
4 seconds
6 seconds
6 seconds
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If you are stopped at a rest area and found to have a blood alcohol concentration (BAC) of .02, you will be placed out of service for
48 hours.
24 hours.
72 hours.
72 hours.
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If you go twice as fast, your stopping distance will increase by
two times.
three times.
four times.
four times.
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If you have a heavy load that is slowing you down on an upgrade, you should
exit the roadway until traffic is lighter.
shift into a lower gear.
drive on the shoulder so that others can pass you easily.
drive on the shoulder so that others can pass you easily.
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If you have been drinking alcohol, before you drive, you should
wait for it to wear off.
drink coffee.
take a cold shower.
wait for it to wear off.
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If you need to leave the road in a traffic emergency, you should
avoid braking until your speed has decreased to about 20 mph.
tap repeatedly on the brakes.
try to get all the wheels off the pavement.
tap repeatedly on the brakes.
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If your brakes get wet while driving on a rainy day, what can happen when you apply the brakes?
Excessive brake wear
Trailer jackknifing
Hydroplaning
Hydroplaning
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If your vehicle catches fire while you are driving, you should
increase your speed to put out the flames.
park in an open area.
park where trees or a building can shelter your vehicle from the wind.
park where trees or a building can shelter your vehicle from the wind.
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Implied consent means that when you sign the driver's license application form, you
consent to be tested for alcohol in your blood.
consent to have your vehicle inspected for alcohol.
understand that you may now drink alcohol before driving.
consent to be tested for alcohol in your blood.
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In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. To change lanes, you should
assume the car left the roadway and change lanes as usual.
wait until you are sure the car isn't in your blind spot.
ease into the other lane slowly so the other car can get out of the way.
wait until you are sure the car isn't in your blind spot.
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In your pre-trip inspection of a school bus, when do you check the rear emergency door to be sure it is closed?
Only during step one of the inside walkthrough
Only during the operation part of the pre-trip inspection
During step four (lights first half) of the inside walkthrough
Only during step one of the inside walkthrough
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In your pre-trip inspection, you are checking your steering and exhaust systems. Which of these problems should be fixed before the vehicle is driven?
Oil on the tie rod
Gray smoke from the exhaust pipe
Steering play in excess of 10% (2 inches on a 20-inch wheel)
Steering play in excess of 10% (2 inches on a 20-inch wheel)
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It is important to shift gears correctly to keep
the engine warm.
the engine oil flowing.
control of the vehicle.
the engine warm.
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It takes the body about ___ hours to get rid of the alcohol in four drinks.
6
2
4
6
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Loads that are over-length, over-width, or overweight require
driving limited to certain times.
flashing lights.
both of the above.
both of the above.
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Name some important steering system parts.
Leaf spring, vehicle frame, and torque rod
Tie rod, spindle, and pitman arm
Main spring, axle, and spring shackle
Leaf spring, vehicle frame, and torque rod
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Name some suspension system defects.
Both of the above
Leaking shock absorbers
Broken leaves in a leaf spring and a cracked or broken spring hanger
Both of the above
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Name some things you should check on the FRONT of your vehicle during your pre-trip inspection.
Windshield wipers, mirrors, and hood latches
Low beams, high beams, four-way flashers, and turn signals
Oil, transmission, air compressor, and radiator
Oil, transmission, air compressor, and radiator
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Name two causes of fires.
Tight turns and gravel roads
Underinflated tires and duals that touch
Driver smoking and following too close
Tight turns and gravel roads
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No matter how small the cargo is, it should have at least
1 tie-down.
2 tie-downs.
6 tie-downs.
1 tie-down.
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On which fires can you use the ABC fire extinguisher?
Both of the above
Burning tires or cloth
Electrical fires
Both of the above
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One can recognize hazardous materials by looking at the container's
label.
shape.
color.
color.
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Prior to driving, what are some of the items you should check the interior of the bus for?
Both of the above
Trash and clothing
Schoolbooks and student belongings
Both of the above
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Retarders
can cause the drive wheels to skid when they have poor traction.
allow you to disconnect the steering axle brakes.
cause extra brake wear.
cause extra brake wear.
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Serious traffic violations that can cause your CDL license to be suspended include
reckless driving and following a vehicle too closely.
both of the above.
excessive speeding (15 mph or more above the posted limit) and improper lane changes.
both of the above.
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Some liquid tanks are divided into several smaller tanks by
bulkheads.
regulators.
studs.
regulators.
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Stab braking
should never be used.
involves releasing the brakes only after the wheels lock up.
involves steady pressure on the brake pedal without locking the wheels.
involves releasing the brakes only after the wheels lock up.
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Tank vehicles are used to carry liquids and are dangerous to drive because of
a high center of gravity.
both of the above.
the danger of load surge.
both of the above.
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The "load" means
the specified pressure a tire can carry.
neither of the above.
the maximum safe weight a tire can carry at a specified pressure.
neither of the above.
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The best drivers are those who watch and prepare for hazards. This is called being
objective.
offensive.
defensive.
defensive.
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The braking effect of the engine is greatest when the engine is _____ the governed rpm and the transmission is in the ______ gears.
above; lower
near; lower
below; higher
near; lower
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The distance that you should look ahead of your vehicle while driving is about _______ at highway speed.
1/4 mile
1 mile
25 feet
1/4 mile
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The distance your vehicle travels from the time your eyes see a hazard to the time your brain recognizes it is called _______ distance.
reaction
braking
perception
braking
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The gross vehicle weight rating (GVWR) is the
maximum GVW specified by the manufacturer for a single vehicle, including its load.
maximum GVW specified by the manufacturer for a single vehicle.
maximum GVW specified by the manufacturer.
maximum GVW specified by the manufacturer.
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The most common cause of serious vehicle skids is
driving too fast for road conditions.
overinflated tires.
poorly adjusted brakes.
driving too fast for road conditions.
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The oil pressure gauge should come up to normal within how long after starting the engine?
Seconds
Minutes
It does not matter.
Seconds
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The parking brake should be tested while the vehicle is
moving forward slowly.
moving back slowly.
moving at highway speeds.
moving forward slowly.
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The purpose of a baffle is to
separate the load.
control the load surge.
reduce expansion of the load.
reduce expansion of the load.
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The purpose of retarders is to
help slow the vehicle while driving and reduce brake wear.
help prevent skids and reduce brake wear.
apply extra braking power to the non-drive axles.
apply extra braking power to the non-drive axles.
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The reaction distance is the distance traveled from the time
the brain tells the foot to push the brake pedal to the time the foot actually pushes the pedal.
the eyes see a hazard to the time the brain knows that it is a hazard.
the eyes see a hazard to the time the foot pushes the brake pedal.
the eyes see a hazard to the time the foot pushes the brake pedal.
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The road you are driving on becomes very slippery because of glare ice. Which of these is a good thing to do in such a situation?
Apply the brakes often to keep the linings dry.
Stop driving as soon as you can safely do so.
Downshift to stop.
Downshift to stop.
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The tendency for long commercial vehicles to swing wide on turns is called
fishtailing.
hydroplaning.
off-tracking.
off-tracking.
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The total weight of the powered unit, the trailer, and the cargo is called
gross vehicle weight.
gross combination weight.
gross axle weight.
gross combination weight.
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To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back onto the pavement?
If possible, come to a complete stop before steering back onto the pavement.
Brake hard to slow the vehicle; then steer sharply onto the pavement.
Keep moving at the present speed and steer very gently back onto the pavement.
Brake hard to slow the vehicle; then steer sharply onto the pavement.
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To help you stay alert while driving, you should
take short breaks before you get drowsy.
take cold medicine if you have a cold.
schedule trips for hours during which you are normally asleep.
take cold medicine if you have a cold.
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To prevent a load from shifting, there should be at least one tie-down for every __ feet of cargo.
15
7
10
15
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To prevent brake fade, you should
coast down hills that are not very steep inclines.
select a gear that will keep your vehicle at a safe speed on steep downgrades.
apply constant hard pressure on the brakes.
apply constant hard pressure on the brakes.
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To prevent skidding, you should
adjust to conditions while driving.
turn the wheel sharply for all turns.
brake hard at all stops.
turn the wheel sharply for all turns.
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Truck escape ramps
cannot be used by certain types of heavy vehicles.
should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
are designed to stop runaway vehicles safely without injuring drivers and passengers.
cannot be used by certain types of heavy vehicles.
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Trucks and buses are subject to certain laws, restrictions, and regulations. Which of these statements is true?
Laws and restrictions can vary from place to place.
Federal regulations apply only to trucks and buses driven at least 50 miles on a trip.
County and city laws do not apply to trucks and buses engaged in interstate commerce.
County and city laws do not apply to trucks and buses engaged in interstate commerce.
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Turn signals should be used
at least 100 feet before turning or changing lanes.
at least 250 feet before turning or changing lanes.
at least 350 feet before turning or changing lanes.
at least 250 feet before turning or changing lanes.
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Underloaded front axles can cause
both of the above.
poor traction and damage to the tires.
too much play in the steering wheel.
both of the above.
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What are some advantages of going right instead of left around an obstacle?
Both of these answers are correct.
You can avoid a head-on collision.
Someone may be passing to the left.
Both of these answers are correct.
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What are some things to do at an accident scene to prevent another accident?
If you're stopping to help, park away from the accident.
Both of these answers are correct.
Try to get your vehicle to the side of the road.
Both of these answers are correct.
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What are the two main things to look for ahead?
Road signs and traffic
Traffic and road conditions
Police and weigh stations
Traffic and road conditions
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What are two ways to know when to shift?
Use engine speed (rpm) and road speed (mph).
Use your watch and engine sounds.
Use engine speed (rpm) and road signs.
Use engine speed (rpm) and road speed (mph).
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What effects can wet brakes cause?
Brakes can work better.
Your foot can get tired.
Brakes can grab or become weak.
Your foot can get tired.
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What factors determine your choice of safe speed when going down a long, steep downgrade?
Total weight of the vehicle, length of the grade, steepness, road conditions, and weather
Condition of the brakes, radio bulletins, and alertness of the driver
Size of vehicle, traffic conditions, and curves in the road
Total weight of the vehicle, length of the grade, steepness, road conditions, and weather
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What is a "pull-up?"
Pulling forward while backing a trailer to reposition it
When pulling off the shoulder, pulling up until the trailer is straight
A maneuver performed by a tow truck to pick up an overturned truck
Pulling forward while backing a trailer to reposition it
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What is a hazardous materials placard?
A sign placed on the outside of a vehicle that identifies the hazard class and weight of the vehicle.
A sign placed on the back of a vehicle that identifies the hazard class of the cargo.
A sign placed on the outside of a vehicle that identifies the hazard class of the cargo.
A sign placed on the back of a vehicle that identifies the hazard class of the cargo.
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What is an "escape ramp?"
Ramps to get on and off an interstate highway fast
Ramps that are located a few miles from the top of a downgrade to help you stop
A quick way to get out of town
Ramps to get on and off an interstate highway fast
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What is countersteering?
Turning the wheel in a counterclockwise fashion
Steering in the opposite direction from what other drivers expect you to
Turning the wheel back in the other direction after steering to avoid a traffic emergency
Turning the wheel back in the other direction after steering to avoid a traffic emergency
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What is hydroplaning?
When you hit a pothole
Driving in the snow
When the tires lose their contact with the road
When you hit a pothole
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What is the definition of "sleep debt?"
The cumulative effect of not getting enough sleep
The amount of sleep you get each day
The money you owe hotels after resting there
The amount of sleep you get each day
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What is the first thing you should try to do if your brakes fail while driving downhill?
Call or radio for help.
Get off the road as soon as possible.
Try to use your parking brake to stop.
Try to use your parking brake to stop.
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What is the minimum tread depth for tires other than front tires?
3/32 inch
2/32 inch
4/32 inch
4/32 inch
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What is the most important hand signal that you and your backing helper should agree on?
Stop
Go
Slowly
Slowly
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What is the most important reason for being alert to hazards?
Law enforcement personnel can be called.
Accident reports will be accurate.
You will have time to plan your escape if the hazard becomes an emergency.
Accident reports will be accurate.
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What is the most important reason for doing a vehicle inspection?
Both of the above are correct.
Federal and state regulations require you to inspect your vehicle.
A vehicle defect that is found during inspection and corrected can prevent problems later.
Both of the above are correct.
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What is the new blood alcohol concentration (BAC) for commercial drivers to be considered intoxicated when driving a commercial vehicle?
0.04
0.02
0.06
0.06
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What is the proper way to hold the steering wheel?
With your right hand on the wheel
Firmly, with one hand at the top of the wheel and the other hand at the bottom of the wheel
Firmly, with both hands on opposite sides of the wheel
Firmly, with one hand at the top of the wheel and the other hand at the bottom of the wheel
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What items should be checked for safety on the steering column?
Up to 1/4 of the steering parts may be broken.
Steering arms should not have mismatched, bent, or cracked lug nuts.
Steering arms should not be missing any nuts, bolts, or cotter keys.
Steering arms should not be missing any nuts, bolts, or cotter keys.
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What should the wheel bearing seals be checked for?
The hub oil level and possible leaks
The color of paint used on the cover
Cleanliness
The color of paint used on the cover
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What should you do before driving if you are sleepy?
Drink some coffee.
Take some caffeine pills.
Get some sleep.
Take some caffeine pills.
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What should you do if you get stuck on the railroad tracks?
Get out of your vehicle and away from the tracks.
Scream for help.
Stay in your vehicle.
Stay in your vehicle.
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What should you do if you see a hazard in the roadway?
Use your four-way flashers or brake lights to warn others.
Stop quickly and pull to the side of the road.
Swerve around it and get back into your lane.
Swerve around it and get back into your lane.
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What should you do if your vehicle hydroplanes?
Countersteer hard.
Accelerate slightly.
Release the accelerator.
Release the accelerator.
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What things should you check during a trip?
Watch gauges and mirrors and use your senses to check for problems: LOOK, LISTEN, and SMELL.
Check your maps and directions and the weather report.
Check load stability by slightly swerving left to right in your lane.
Watch gauges and mirrors and use your senses to check for problems: LOOK, LISTEN, and SMELL.
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What three things add up to total stopping distance for your truck or bus?
Perception distance, reaction distance, braking distance
Observation distance, reaction distance, braking distance
Attention distance, reaction distance, slowing distance
Perception distance, reaction distance, braking distance
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What three things related to cargo are the driver's responsibility?
Inspecting the cargo, recognizing overloads, and properly securing the cargo
Weighing the cargo, properly securing the cargo, and delivering the cargo
Inspecting the cargo, hauling the cargo, and properly securing the cargo
Weighing the cargo, properly securing the cargo, and delivering the cargo
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Wheel bearing seals should be checked for
leaks.
gasoline.
color changes.
gasoline.
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When approaching a traffic light that has been green for a long time, you should
start to slow down so you will be ready to stop.
continue at your current speed.
accelerate so you get through the light.
accelerate so you get through the light.
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When backing, why is it important to have a helper?
There are blind spots you can't see.
It's more fun when you have help.
It makes people think you're a better driver.
There are blind spots you can't see.
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When checking lights, you should
turn off the engine and take the key with you.
Both of these answers are correct.
turn on the headlights and four-way flashers.
Both of these answers are correct.
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When checking the bus seats, what are you looking for?
You are making sure that they are securely fastened to the bus.
Both of the above are correct.
You are looking to see if they have been damaged.
Both of the above are correct.
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When driving a commercial vehicle with a height over 13 feet, you should
assume all clearances are high enough.
not worry about the height clearance as long as you stay on state or federal highways.
stop and make sure if you aren't certain that a clearance is high enough.
assume all clearances are high enough.
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When driving in an area with few streetlights on a clear night, if you cannot see well with your headlights, you should
turn your interior lights on.
use your high beams when legal and keep your interior lights off.
find another route that is better lit.
turn your interior lights on.
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When driving on grades, which of these is the best choice for a safe speed?
Based on your vehicle and its cargo, select a speed that is safe within the posted limit.
If you have a light load, go faster than you would with a heavy load.
Follow the vehicle in front of you.
If you have a light load, go faster than you would with a heavy load.
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When driving through roadway work zones, you should
watch for sharp pavement drop-offs.
turn on your parking lights.
reduce speed only if workers are close to the roadway.
reduce speed only if workers are close to the roadway.
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When getting in to start the engine and inspect inside the cab, you must
make sure the parking brake is on and put the gearshift in neutral (or park if automatic).
start the engine and listen for unusual noises.
Both of the above
Both of the above
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When inspecting mirrors and windshields for cracks, dirt, illegal stickers, and other obstructions to your vision, you should
look in the mirror to see if you look good.
clean and adjust as necessary.
not worry about any of it.
not worry about any of it.
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When roads are slippery, you should
stop and test the traction while going up hills.
make turns as carefully as possible.
decrease the distance that you look ahead of your vehicle.
make turns as carefully as possible.
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When should you downshift an automatic transmission?
When going up grades
When going down grades
When going around curves
When going around curves
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When should you review the pre-trip inspection report from the last driver?
You should review it during your pre-trip inspection.
It doesn't have to be reviewed.
You should review it once a week.
You should review it once a week.
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When you are passing another vehicle, pedestrian, or bicyclist, you should assume that they
will move out of your lane of traffic.
see you.
may move into your traffic lane.
may move into your traffic lane.
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When you check the condition of visible parts during your pre-trip inspection, make sure that the ___________ are secured against snagging, rubbing, or wearing.
primary and secondary safety cab locks
frame and cross members
air lines and electrical wiring
air lines and electrical wiring
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When you drive in the mountains, you will have to use lower gears to drive safely down grades. Which of these does NOT affect your choice of gears?
Length of the grade
Type of tire tread
Weight of the load
Type of tire tread
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When you take a break in the middle of your trip, you should check
call in and check with dispatch.
critical items such as tires, brakes, and cargo tie-downs.
critical items such as windshield wiper blades, heater, and defroster.
call in and check with dispatch.
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Whether or not you load and secure your load yourself, you are responsible for
both of the above.
recognizing overloads and poorly balanced weight.
knowing that your cargo is securely tied down and covered.
both of the above.
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Which of the following best describes how sleep debt can be paid off?
It can be overcome with willpower and non-sleep aids.
It can only be paid off by sleeping.
It will go away by itself over a period of time.
It will go away by itself over a period of time.
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Which of the following cannot be checked at the same time?
Headlights and amber reflectors
Brake lights and red reflectors (on rear)
Brake lights, turn signals, and four-way flasher functions
Brake lights and red reflectors (on rear)
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Which of the following choices lists all or almost all the emergency equipment that is required on a school bus?
Crowbar and fire extinguisher only
Fire extinguisher, flashlight, fusees, electrical fuses (if your vehicle uses them), crowbar, emergency triangles, and first-aid kit (including an emergency medical card for each student)
Can of brake fluid, flashlight, and new bottle of windshield washer fluid
Can of brake fluid, flashlight, and new bottle of windshield washer fluid
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Which of the following is NOT a type of retarder?
Hydraulic
Electric
Robotic
Robotic
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Which of the following is true about a vehicle with a high center of gravity?
The vehicle is less likely to tip over.
The cargo should be rearranged so that the heaviest parts of the cargo are under the lightest parts.
The vehicle is less dangerous on curves.
The vehicle is less dangerous on curves.
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Which of the following may be a sign of tire failure?
Gentle thumping
Wheels fishtailing
Both of the above
Both of the above
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Which of the following provide extra gears on some trucks?
Both of the above
Auxiliary transmissions
Multi-speed rear axles
Both of the above
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Which of the following should you NOT do in the event of hydraulic brake failure?
Use the parking or emergency brake.
Pump the brakes.
Shift up.
Use the parking or emergency brake.
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Which of the following statements about backing is true?
Backing is always dangerous.
Both of the above are true.
You should back and turn toward the driver's side whenever possible.
Both of the above are true.
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Which of the following statements about tank vehicles is true?
Special skills are required to haul liquid tanks.
All tank vehicles have some sort of bulkhead or baffle.
The term "tank vehicle" refers only to those vehicles having a permanently attached tank.
Special skills are required to haul liquid tanks.
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Which of the following statements is true?
Most hazards are more easily seen at night than during the day.
Many heavy vehicle accidents occur between midnight and 6 a.m.
Most people are more alert at night than during the day.
Most people are more alert at night than during the day.
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Which of these best describes how you should use the brake pedal on a steep downhill grade?
With stronger pressure as the vehicle goes downhill
Snubbing
Repeated strong pressure, then release
Snubbing
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Which of these can cause a fire?
Underinflated tires
Loose fuel connections
Both of these
Both of these
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Which of these describes how you should use the brake pedal on a steep downhill grade?
Apply light, steady pressure.
Release the brake when you are 5 mph below your safe speed and let your speed come back up to your safe speed. Then repeat braking to 5 mph below your safe speed.
Apply stronger pressure as the vehicle goes downhill.
Release the brake when you are 5 mph below your safe speed and let your speed come back up to your safe speed. Then repeat braking to 5 mph below your safe speed.
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Which of these is NOT a good rule to follow when caring for the injured at an accident scene?
If a qualified person is helping them, stay out of the way unless asked to assist.
Move severely injured persons if there is a danger due to fire or passing traffic.
Keep injured persons cool.
If a qualified person is helping them, stay out of the way unless asked to assist.
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Which of these is NOT a proper use of vehicle lights?
Flashing your brake lights to warn someone behind you that you are slowing down
Flashing your brake lights to stop someone from tailgating
Turning on your headlights during times when visibility is reduced
Flashing your brake lights to warn someone behind you that you are slowing down
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Which of these is NOT caused by rough acceleration?
Mechanical damage
Tire damage
Damage to the coupling
Mechanical damage
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Which of these is NOT something you should do if your headlights are not working properly?
Leave your high beams on.
Adjust the headlights.
Clean the headlights.
Leave your high beams on.
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Which of these is a danger of crossing railroad tracks on dirt roads?
The ground underneath the tracks might not be stable.
You could get hung up halfway across the tracks.
Your tires could sink into the dirt and not cross the tracks.
The ground underneath the tracks might not be stable.
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Which of these is a good driving rule for work zones?
Both of these answers are correct.
Use your brake lights to warn drivers behind you.
Turn on your flashers/hazard lights and drive slowly.
Both of these answers are correct.
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Which of these is a good rule to follow when using a fire extinguisher?
Aim at the base of the fire.
Stay downwind of the fire.
Keep as close to the fire as possible.
Keep as close to the fire as possible.
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Which of these is a good thing to do when driving at night?
Look directly at oncoming headlights only briefly.
Drive slowly enough to stop within the range of your headlights.
Keep your instrument lights bright.
Look directly at oncoming headlights only briefly.
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Which of these is a good thing to remember when crossing or entering traffic with a heavy vehicle?
Because heavy vehicles are easy to see, you can count on other drivers to move out of your way or slow down for you.
The best way to cross traffic is to pull the vehicle partway across the road and block one lane while waiting for the other lane to clear.
Heavy vehicles need larger gaps in traffic than cars.
The best way to cross traffic is to pull the vehicle partway across the road and block one lane while waiting for the other lane to clear.
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Which of these is a proper use of vehicle lights and flashers?
Flashing your brake lights to warn someone behind you that you are going to stop on the road
Flashing your brake lights to warn someone behind you of a hazard that will require slowing down
Both of the above
Both of the above
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Which of these is correct regarding brake shoes?
Brake shoes should have the same thickness as a penny.
Brake shoes should be larger than a quarter on the steering axle.
Brake shoes should not be worn dangerously thin.
Brake shoes should be larger than a quarter on the steering axle.
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Which of these is good to do when steering to avoid a crash?
Apply the brakes while turning.
Steer with one hand so that you can turn the wheel more quickly.
Do not turn any more than needed to clear what is in your way.
Steer with one hand so that you can turn the wheel more quickly.
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Which of these is important to check before driving in the winter?
Exhaust
Tires
Both of the above
Both of the above
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Which of these is not a danger when an automatic transmission is forced into a lower gear at a high speed?
Loss of steering control
Loss of engine braking effect
Damage to the transmission
Damage to the transmission
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Which of these is not part of the pre-trip inspection of the engine compartment?
Valve clearance
Worn electrical wiring insulation
Condition of hoses
Valve clearance
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Which of these is the most important thing to remember about emergency braking?
Disconnecting the steering axle brakes will help keep your vehicle in a straight line.
If the wheels are skidding, you cannot control the vehicle.
Never do it without downshifting first.
If the wheels are skidding, you cannot control the vehicle.
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Which of these is true about hours of service?
You must take a break after every two hours of driving.
You should balance your hours of service with enough sleep to keep you alert.
After 1,000 hours of service, you will be exempt from certain regulations.
You must take a break after every two hours of driving.
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Which of these is true about the radiator shutters and the winterfront?
The winterfront should be closed tightly.
You should remove ice from the radiator shutters.
The engine may overheat if the winterfront is left open.
You should remove ice from the radiator shutters.
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Which of these items is NOT checked on a pre-trip inspection?
Cargo securement
Amount of fuel in the vehicle
Whether all vehicle lights are working and clean
Whether all vehicle lights are working and clean
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Which of these items is checked in a pre-trip inspection?
Both of the above
Wiper blades
Whether all vehicle lights are working and clean
Both of the above
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Which of these statements about cargo loading is true?
State laws dictate legal weight limits.
If the shipper loads the cargo, the driver is not responsible for overloading.
The legal maximum weight allowed by a state can be considered safe for all driving conditions.
State laws dictate legal weight limits.
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Which of these statements about certain types of cargo is true?
Oversize loads can be hauled without special permits during daylight hours.
Unstable loads such as hanging meat or livestock require extra caution on curves.
When liquids are hauled, the tank should always be loaded completely full.
Unstable loads such as hanging meat or livestock require extra caution on curves.
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Which of these statements about cold-weather driving is true?
An engine cannot overheat when the weather is very cold.
Exhaust system leaks are less dangerous in cold weather.
Windshield washer antifreeze should be used.
Exhaust system leaks are less dangerous in cold weather.
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Which of these statements about double-clutching and shifting is true?
You can use the tachometer to tell you when to shift.
Double-clutching should not be used when the road is slippery.
Double-clutching should only be used with a heavy load.
Double-clutching should only be used with a heavy load.
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Which of these statements about downshifting for a long downhill grade is true?
Downshifting should not be done with automatic transmissions.
Downshifting allows engine compression and friction to help the brakes slow the vehicle.
The proper time to downshift is just after the vehicle starts down the hill.
The proper time to downshift is just after the vehicle starts down the hill.
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Which of these statements about drinking alcohol is true?
Statistics show that drivers who have been drinking have a much greater chance of being in a crash.
Alcohol first affects judgment and self-control, which are essential for safe driving.
Both of these are true.
Both of these are true.
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Which of these statements about engine overheating is true?
You should never remove the radiator cap on a pressurized system until the system has cooled.
If your engine overheats within 20 miles of the end of your trip, you should complete the trip and then check the problem.
You should never shut off an overheated engine until it cools.
You should never shut off an overheated engine until it cools.
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Which of these statements about managing space is true?
Smaller vehicles require more space to stop than larger ones.
When the road is slippery, you should keep much more space in front of your vehicle.
Many accidents are caused by drivers keeping too much space in front of their vehicles.
When the road is slippery, you should keep much more space in front of your vehicle.
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Which of these statements about overhead clearance is true?
You should assume that the posted clearance signs are correct.
The weight of a vehicle changes its height.
If the road surface causes your vehicle to tilt toward objects at the edge of the road, you should drive close to the shoulder.
You should assume that the posted clearance signs are correct.
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Which of these statements about speed management is true?
Empty trucks always stop in shorter distances than fully loaded ones.
When you double your speed, it will take twice the distance to stop.
You should choose a speed that lets you stop within the distance that you can see ahead.
When you double your speed, it will take twice the distance to stop.
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Which of these statements about staying alert to drive is true?
There are drugs that can overcome fatigue.
Sleep is the only thing that can overcome fatigue.
A half-hour break for coffee will do more to keep you alert than a half-hour nap.
Sleep is the only thing that can overcome fatigue.
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Which of these statements about tires and hot-weather driving is true?
If a tire is too hot to touch, you should drive on it to cool it off.
The air pressure of a tire decreases as the temperature of the tire increases.
When driving in very hot weather, you should inspect your tires every two hours or every 100 miles.
The air pressure of a tire decreases as the temperature of the tire increases.
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Which of these statements about using mirrors is true?
There are blind spots that your mirrors cannot show you.
You should look at a mirror for several seconds at a time.
You should check your mirrors twice for a lane change.
There are blind spots that your mirrors cannot show you.
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Which of these statements about using turn signals is true?
When turning, you should signal early.
You do not need to use your turn signals when changing lanes in traffic on a four-lane highway.
You should use your turn signals to mark your vehicle when it is off on the side of the road.
You should use your turn signals to mark your vehicle when it is off on the side of the road.
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Which of these statements about vehicle fires is true?
If the cargo or box trailer catches fire, open the doors as soon as you can.
A burning tire should be cooled with water.
If your engine is on fire, open the hood as soon as you can.
A burning tire should be cooled with water.
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Which of these statements is NOT true about bad weather driving conditions?
As rain continues, the road becomes more slippery than it was when the rain began.
When the temperature drops, bridges will freeze before roadways.
Driving conditions become more dangerous as the temperature rises.
Driving conditions become more dangerous as the temperature rises.
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Which of these statements is NOT true about engine belts in hot weather?
Cracking is likely to occur but it is not a safety threat.
You can check the tightness of belts by pressing on them.
Loose belts will not turn the water pump and/or fan on properly.
Loose belts will not turn the water pump and/or fan on properly.
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Which of these statements is NOT true?
A drinker can control how fast his or her body absorbs and gets rid of alcohol.
Alcohol goes directly from the stomach to the blood stream.
Your blood alcohol level (BAC) is determined by how fast you drink, how much you drink, and how much you weigh.
Alcohol goes directly from the stomach to the blood stream.
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Which of these statements is true about backing heavy vehicles?
It's safer to back toward the right side of the vehicle.
You should avoid backing whenever you can.
Helpers should be out of sight and use only spoken signals to communicate with the driver.
It's safer to back toward the right side of the vehicle.
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Which of these statements is true about brakes?
Brakes absorb more heat to stop heavier vehicles.
Brake drums cool very quickly when the vehicle is moving very fast.
Brake fade is not caused by heat.
Brakes absorb more heat to stop heavier vehicles.
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Which of these statements is true about drugs?
A driver can use any prescription drug while driving.
The use of alcohol or drugs can lead to a collision and/or an arrest.
Certain prescription drugs are allowed to reduce fatigue.
The use of alcohol or drugs can lead to a collision and/or an arrest.
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Which of these statements is true about medicines used to treat the common cold?
They often make you sleepy. Therefore, they should not be used while driving.
They should only be used when driving during the daytime.
They can be used while driving as long as you only take half the regular dose.
They can be used while driving as long as you only take half the regular dose.
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Which of these statements is true about other drivers?
Drivers using turn signals can be trusted to turn in the direction they indicate.
Short-term or daily rental truck drivers are often not used to the limited vision and pose a hazard.
Mail or delivery truck drivers do not pose a hazard.
Drivers using turn signals can be trusted to turn in the direction they indicate.
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Which of these statements is true about speed management?
On slippery roads, it takes longer to stop and it is harder to turn without skidding.
Shady parts of the road allow better traction than open areas.
Road surfaces will freeze before bridges.
Shady parts of the road allow better traction than open areas.
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Which of these statements is true about warning other drivers of a stopped vehicle?
Move the rear reflective triangle back if the driver's vision is obscured to within 500 feet.
Put out your emergency warning devices within five minutes.
Keep the vehicle's taillights on to warn other drivers.
Keep the vehicle's taillights on to warn other drivers.
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Which of these tells you that cargo contains hazardous materials?
Both of these answers are correct.
There is a four-inch, diamond-shaped hazardous materials label on the container.
A hazardous materials placard is on the vehicle.
Both of these answers are correct.
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Which of these will happen if a tire blows out at highway speeds?
A rapid drop in speed to below 20 mph
A loud hissing sound
a vibrating feeling
A loud hissing sound
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Which of these will help keep an engine cool in hot weather?
Making sure the engine has the right amount of oil
Driving faster to force more air into the radiator
Running the air conditioner
Running the air conditioner
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Which piece of emergency equipment should be in your vehicle?
Warning devices for parked vehicles
Circuit breakers
First-aid kit
Circuit breakers
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While driving, ice builds up on your wipers and they no longer clean the windshield. You should
keep driving and turn your defroster on. Drive slower until you can see again.
stop safely and fix the problem.
keep driving and spray the windshield with washer fluid.
keep driving and turn your defroster on. Drive slower until you can see again.
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While driving, you see a small (1-foot-square) cardboard box ahead in your lane. You should
brake hard to avoid hitting it.
hit it with your vehicle to knock it off the road.
steer around it without making a sudden or unsafe move.
steer around it without making a sudden or unsafe move.
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While driving, you should use your mirrors to check
where the rear of your vehicle is while you make turns.
the condition of the tires and cargo.
both of the above.
both of the above.
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Why are placards used?
So hazardous materials won't be mixed with food
To communicate the risk
Because it is the law
Because it is the law
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Why do dry bulk tanks require special care?
Both of these answers are correct.
The load can shift.
They have a high center of gravity.
Both of these answers are correct.
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Why make emergency plans when you see a hazard?
To protect yourself and others
To have something to do while driving
To avoid getting a ticket
To have something to do while driving
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Why should you back toward the driver's side?
Backing toward the right side is dangerous.
Both of the above are correct.
You can see better.
Both of the above are correct.
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Why should you be in the proper gear before starting down a hill?
The clutch is made to be used on even surfaces.
You need to be in the same gear at the bottom of the hill.
You will not be able to shift into a lower gear once you are going down a hill.
You need to be in the same gear at the bottom of the hill.
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Why should you signal continuously while turning?
It is illegal to turn off your signal before completing a turn.
Both of the above are correct.
You need both hands on the wheel to turn safely.
Both of the above are correct.
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With a BAC of __, most people lose consciousness, and some die.
0.16
0.1
0.4
0.4
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You are checking your brakes and suspension system for a pre-trip inspection. What are you looking for?
Brake pads should not have oil, grease, or brake fluid on them.
Brake shoes must not be worn dangerously thin, missing, or broken.
Both of the above are correct.
Both of the above are correct.
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You are checking your tires for a pre-trip inspection. Which of these statements is true?
A tread depth of 2/32 inch is safe for the front tires.
Tires of mismatched sizes should not be used on the same vehicle.
Radial and bias-ply tires can be used together on the same vehicle.
Tires of mismatched sizes should not be used on the same vehicle.
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You are checking your wheels and rims for a pre-trip inspection. Which of these statements is true?
A vehicle can be safely driven with one missing lug nut on a wheel.
Rust around lug nuts may mean that they are loose.
Cracked wheels or rims can be used if they have been welded.
Cracked wheels or rims can be used if they have been welded.
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You are driving a 40-foot vehicle at 35 mph. The road is dry and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?
4 seconds
6 seconds
2 seconds
6 seconds
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You are driving a 40-foot vehicle at 50 mph. Driving conditions are ideal (dry pavement, good visibility). What is the least amount of space that you should keep in front of your vehicle to be safe?
5 seconds
4 seconds
3 seconds
5 seconds
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You are driving a heavy vehicle and must exit a highway using an off ramp that curves downhill. You should
wait until you are in the curve before downshifting.
slow down to a safe speed before taking the curve.
slow down to the posted speed limit for the off ramp.
slow down to the posted speed limit for the off ramp.
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You are driving a new truck with a manual transmission. To take a long, steep downhill grade,
use the same gear you would use to climb the hill.
use a lower gear than you would use to climb the hill.
shift into neutral and coast.
shift into neutral and coast.
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You are driving a truck with a manual transmission. While driving on an uphill grade, you have to stop the truck on the shoulder. Which of these is a good rule to follow when putting it back in motion up the grade?
Use the parking brake to hold the vehicle until the clutch engages.
Let the vehicle roll straight backward a few feet before you engage the clutch.
Keep the clutch slipping while slowly accelerating.
Use the parking brake to hold the vehicle until the clutch engages.
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You are driving a vehicle that can be driven safely at 55 mph on an open road. Although the speed limit is 55 mph, traffic is heavy, moving at 35 mph. The safest speed for your vehicle in this situation is
40 mph.
35 mph.
45 mph.
40 mph.
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You are driving in the right lane of a four-lane, undivided road. You come over a hill and find a car stopped ahead in your lane. You do not have room to stop. The hill blocks your view to the rear. The shoulder is clear. Which of these is most likely the best action to take?
Brake hard and brace for collision.
Steer to the right.
Steer into the left lane.
Steer into the left lane.
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You are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blows out. What should you do first?
Begin controlled or stab braking.
Stay off the brakes until the vehicle slows down on its own.
Begin light braking.
Begin controlled or stab braking.
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You are starting your vehicle from a stop. As you apply power to the drive wheels, they start to spin. You should
press harder on the accelerator.
take your foot off the accelerator.
try a lower gear.
press harder on the accelerator.
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You are testing the stopping action of service brakes on a hydraulic system. Which of these can mean there is a problem?
The brake pedal goes to the floor.
Both of these are correct.
The vehicle pulls to one side when the brake pedal is pressed.
Both of these are correct.
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You can see a sign on a vehicle ahead of you. The sign is a red triangle with an orange center. What does the sign tell you about the vehicle?
It is hauling hazardous material.
It is a slow-moving vehicle.
It is a law enforcement vehicle.
It is hauling hazardous material.
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You do not have a Hazardous Materials Endorsement on your commercial driver's license. You are asked to deliver hazardous materials in a placarded vehicle. You should
haul the load but only to the nearest place where a driver with a Hazardous Materials Endorsement can take over.
refuse to haul the load.
take the placards off the vehicle.
haul the load but only to the nearest place where a driver with a Hazardous Materials Endorsement can take over.
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You do not have a Hazardous Materials Endorsement on your commercial driver's license. You can drive a vehicle hauling hazardous materials when
someone who has the Hazardous Materials Endorsement rides with you.
the vehicle does not require placards.
the cargo will be transported less than 100 miles.
someone who has the Hazardous Materials Endorsement rides with you.
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You must drive on a slippery road. Which of these is a good thing to do in such a situation?
Apply the brakes during turns.
Slow down gradually.
Use a smaller following distance.
Use a smaller following distance.
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You must park on the side of a level, straight, four-lane, divided highway. Where should you place the three reflective triangles?
One within 10 feet in front of the vehicle, one about 200 feet in front, and one about 100 feet to the rear of the vehicle
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear
One about 10 feet to the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet in front of the vehicle
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear
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You must park on the side of a level, straight, two-lane road. Where should you place the reflective triangles?
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet in front of the vehicle
One about 50 feet to the rear of the vehicle, one about 100 feet to the rear, and one about 100 feet in front of the vehicle
One within 10 feet of the rear of the vehicle, one about 100 feet to the rear, and one about 200 feet to the rear
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You should avoid driving through deep puddles or flowing water, but if you cannot, which of these steps can help keep your brakes working?
Turn on your brake heaters.
Press both the brake pedal and the accelerator firmly after coming out of the water.
Gently apply the brakes while driving through the water.
Gently apply the brakes while driving through the water.
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You should check the following for looseness, sticking, damage, or improper settings
steering wheel and transmission controls.
both of the above.
accelerator, brakes, and clutch pedals.
both of the above.
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You should have a minimum of _______ tread on your steering tires.
1/4 inch
4/32 inch
2/32 inch
1/4 inch
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You should schedule your driving
between the hours of 4 a.m. and 6 p.m.
between the hours of 10 a.m. and midnight.
for the hours you are normally awake.
for the hours you are normally awake.
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You should try to park your vehicle so that
there is at least one curb next to your vehicle.
your vehicle is protected by trees or some overhang.
you can pull forward when you leave.
you can pull forward when you leave.
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Your brakes can get wet when you drive through a heavy rain. What can this cause when the brakes are applied?
Both of the above
Loss of braking power
Wheel lockup
Both of the above
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Your truck has a dual air system, and one of the systems loses its pressure. What will happen?
Either the front or rear brakes will not be fully operational.
The manual slack adjusters of the S-cam brakes will not be set properly.
The brake drums will not be fully pressurized.
The brake drums will not be fully pressurized.
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Your vehicle has hydraulic brakes. When traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?
Pumping the brake may generate enough pressure to stop the vehicle.
The parking brake will not work because it is part of the same hydraulic system.
Shifting into neutral may help slow the vehicle.
Shifting into neutral may help slow the vehicle.