CDL TANKER PRACTICE TEST

1 / 109

What is Gross Vehicle Weight?

The total weight of a single vehicle, including its load

The total weight of the cargo

The total weight of a combination of vehicles excluding the load

The total weight of a single vehicle, excluding its load

2 / 109

To make the brakes work, air brakes use:

nitrogen

compressed air

hydraulic air

carbon monoxide

3 / 109

In the Hazardous Material Table, what is in Column 3?

The special provisions of the material

The HazMat description

The HazMat shipping name

The hazard class or division

4 / 109

How should you apply the brakes when going down a steep downgrade?

Apply the brakes as hard as you can without locking the wheels.

You should not brake, and only use engine braking to prevent brake failure.

Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.

Apply the brakes when you reach the bottom of the downgrade.

5 / 109

Watch out for black ice:

when it is snowing.

when the temperature is above freezing and the road is dry.

any time the temperature is below freezing and the road looks wet.

right after it starts to rain.

6 / 109

The vehicle inspection report:

ensures that vehicle inspections are conducted regularly.

tells the shipper how to package the materials.

tells the motor carrier about problems that may need fixing.

ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.

7 / 109

The height of a vehicle's center of gravity is important for safe handling. Why?

A high center of gravity means you are less likely to tip over.

Trucks with a high center of gravity have better traction.

Trucks with a high center of gravity can roll over at the posted speed limit for a curve.

All of the above.

8 / 109

When driving tank vehicles, because of the high center of gravity and the surge of the liquid, you must:

stop quickly

start quickly

start slowly

swerve often

9 / 109

The amount of liquid to load into a tank depends on:

legal weight limits.

the weight of the liquid.

the amount the liquid will expand in transit.

All of the above.

10 / 109

________ is responsible for identifying the hazard class of the material when shipping.

The shipper

The driver

The supply chain manager

The motor carrier

11 / 109

You should be extremely cautious when driving unbaffled liquid tankers, especially when:

they are empty.

starting or stopping.

going uphill.

None of the above.

12 / 109

If there is a fire in your vehicle, do NOT:

park in an open area.

park away from buildings and other vehicles.

notify emergency services.

pull into a service station.

13 / 109

Hydroplaning:

can occur at speeds as low as 30 mph.

only occurs at extremely high speeds.

only happens when tire pressure is higher than normal.

never occurs at speeds below 40 mph.

14 / 109

Texting while operating a commercial motor vehicle is:

illegal

acceptable if you are contacting your dispacther.

acceptable if you are contacting your supervisor.

only allowed at night.

15 / 109

If your vehicle is hydroplaning, you should:

apply the brakes.

stay off the brake.

speed up.

put the vehicle in reverse.

16 / 109

To know if your vehicle is equipped with ABS, look for:

the ABS logo on the steering wheel.

the ABS shipping paper.

an ABS placard.

a yellow ABS malfunction lamps on the instrument panel.

17 / 109

Older trailers do not have spring brakes. If the air supply leaks away:

there will be no emergency brakes.

the trailer will stop normally.

the ABS won't work properly.

All of the above.

18 / 109

If coolant has to be added to a system without a recovery tank, you should:

never use thick cloth to touch the radiator cap.

wait until the engine has cooled before adding coolant.

keep the engine running while adding coolant.

turn the radiator cap quickly to the first stop.

19 / 109

In vehicles with air brakes, the two markings on a front brake limiting valve are:

normal and slippery

wet and dry

left and right

high and low

20 / 109

How many drinks per hour can be handled by the liver?

About 3 drinks per hour.

About 1 drink per hour.

About 2 drinks per hour.

About 4 drinks per hour.

21 / 109

Which of the following is a clue suggesting a shipment of HazMat?

Type of package is being shipped.

The type of business is the shipper is in.

Tanks with diamond labels or placards on the premises.

All of the above.

22 / 109

Do not smoke within ______ of a placarded cargo tank used for flammable liquids (Class 3) or gases (Division 2.1).

25 feet

50 feet

100 feet

5 feet

23 / 109

ABS will:

shorten your stopping distance.

not change your normal braking capability.

increase your average speed.

not give you more control over the vehicle during braking.

24 / 109

Column 2 in the Hazardous Material Table contains:

the hazard class or division.

the label codes.

the identification numbers.

the HazMat description and shipping name.

25 / 109

Drivers of vehicles transporting HazMat should:

compare the shipping paper to the markings and labels.

ensure that all packages are labeled as flammable materials.

ensure that all relevant placards are carried in the passenger compartment.

All of the above.

26 / 109

Empty trucks require greater stopping distances. True or False?

False, but only for trucks built on or after March 1, 1998.

True, but only on wet surfaces.

False

True

27 / 109

Before driving a tank, you should:

check the tank's body for dents.

check the intake, discharge, and cut-off valves.

make sure manhole covers have gaskets and they close correctly.

All of the above.

28 / 109

If you are stopped on an incline, how can you start moving without rolling back?

Aggressively pump the accelerator

Fully engage the clutch

Shift to neutral

Apply the parking brake

29 / 109

Which of the following vehicles is most likely to turn over?

3 axle tractor semitrailer

65 ft. conventional double

Triple trailer

5 axle tractor semitrailer

30 / 109

Engine oil pressure should come up to normal within _________ after the engine is started.

five minutes

ten minutes

two minutes

seconds

31 / 109

Retarders:

reduce braking distance.

reduce the danger of slipping.

improve gas mileage.

help slow a vehicle, reducing the need for using brakes.

32 / 109

When driving a 50-foot truck at 40 mph, your minimum following distance should be:

4 seconds

6 seconds

8 seconds

5 seconds

33 / 109

Liquid surge occurs in:

overfilled tanks

partially filed tanks

empty tanks

All of the above

34 / 109

Another name for front-end header boards is:

headache racks

head belt

cargo stopper

containerized racks

35 / 109

To make sure you know how to inspect your tank vehicle, you should:

check the vehicle's operator manual.

use a helper whenever possible.

ask your supervisor what you should inspect first.

phone the manufacturer before the inspection.

36 / 109

If a material is transported in a reportable quantity, the shipper displays the letters ___ on the shipping paper and package.

37 / 109

The trailer hand valve should be used:

only in an emergency

only to test the trailer brakes

only on slippery surfaces

only when applying the brakes hard

38 / 109

Your mirrors should be adjusted so that:

more than half of the mirror shows the vehicle.

a part of the vehicle is visible in the mirror.

no part of the vehicle is visible in the mirror.

the rear of the vehicle is visible in the mirror.

39 / 109

If the vehicle ahead of you is smaller than yours:

it can probably stop faster than you can.

it will usually take longer to stop.

it will take the same amount of time to stop.

All of the above.

40 / 109

Never drive a tank vehicle:

with closed valves or manhole covers

with open valves or manhole covers

with valves or manhole covers

None of the above

41 / 109

A material’s hazard class reflects:

the emergency response information related to the material.

the type of packaging required to transport the material.

the methods for handling spills or leaks in the absence of fires.

the risks associated with the material.

42 / 109

When stopping you should push the brake pedal down:

gradually

repeatedly

quickly

as hard as you can

43 / 109

Which of the following is not a way to know when to change gears?

Check that the pressure gauge shows normal oil pressure

Use road speed (mph)

Use engine speed (rpm)

Watch your tachometer

44 / 109

You should never load a cargo tank totally full. Why?

Liquids expand as they warm and you must leave room for the liquid to expand

All of the above

Liquids shrink when they freeze, which results in the so called "outage"

None of the above

45 / 109

If a shipping paper describes both hazardous and non-hazardous products, the hazardous materials must be:

identified by an "H" placed before the shipping description

written in a larger font

listed at the bottom

entered first

46 / 109

Unbaffled tanks usually transport:

gasoline

milk and other food products

grease

gravel

47 / 109

Which of the following will NOT help you prevent rollover?

Driving slowly around turns.

Using the controlled braking method.

Keeping the cargo as close to the ground as possible.

All of the above.

48 / 109

If you are being tailgated, you should:

open up room in front of you

increase your speed very gradually

turn on your taillights

make quick changes

49 / 109

Improperly placarded vehicles can only be moved:

in the daytime

by their owner

at night

during an emergency

50 / 109

When confronted by an aggressive driver, you should:

call the police, if you have a cell phone and can do it safely

make every attempt to get out of their way

avoid eye contact

All of the above

51 / 109

Baffled liquid tanks have:

hollow balls floating in the liquid to slow movement

separate tanks inside the trailer

bulkheads in them with holes that let the liquid flow through

None of the above

52 / 109

Which of the following is not a type of retarder?

Hydraulic

Electric

Pressure

Exhaust

53 / 109

Letting air out of hot tires:

will help relieve the extra pressure.

should not be done, because the pressure will be too low when the tires cool off.

will have no effect on the tires.

will cool the tires down.

54 / 109

When loading and unloading the smaller tanks of a cargo tank equipped with bulkheads, you must pay attention to:

weight distribution

smooth bore tanks

water distribution

air leakage rate

55 / 109

Which of the following statements about backing heavy vehicles is true?

You should avoid backing whenever you can.

Back to the right side so that you can see better.

Always back as quickly as possible.

The helper should stand where you cannot see the helper.

56 / 109

You are inspecting your vehicle during a trip. What should you do?

Use your senses to check for problems

Watch gauges for signs of trouble

Check critical items such as tires, brakes, and lights

All of the above

57 / 109

You are more at risk of being fatigued:

when driving during the day

when stopping periodically during long trips

after getting more than 8 hours of sleep

when driving alone

58 / 109

When driving in hot weather, drivers should inspect tires:

every 4 hours or every 200 miles

every 3 hours or every 75 miles

every 2 hours or every 100 miles

every hour or every 50 miles

59 / 109

The manifest for transporting hazardous wastes must be:

uploaded to the cloud

appear on both sides and ends of the vehicle

attached to the appropriate placard

signed by hand

60 / 109

When driving a tanker, you should:

increase your following distance

stop every 50 miles to inspect your vehicle

decrease your following distance

drive 10 mph below the posted speed limit

61 / 109

The service line is also called:

power line

brake line

control line

cable line

62 / 109

To avoid a crash:

stopping is always the safest thing to do

stopping is not always the best thing to do

swerving is always the worst thing to do

None of the above

63 / 109

Placards must be placed:

on the front, rear and both sides of the vehicle

on the rear only

on the driver's side of the vehicle

on the front only

64 / 109

An ABS system:

gives you more control over the vehicle during braking

helps you avoid skids caused by over braking

keep your wheels from locking when you brake hard

All of the above

65 / 109

A high center of gravity:

improves fuel efficiency

requires special transit permits

makes the vehicle easy to roll over

makes the vehicle less likely to roll over

66 / 109

Pre-trip inspections are:

required by law

required only for trips of more than 50 miles

required only for trips of more than 100 miles

recommended

67 / 109

With a dual air brake system:

each system has its own air tanks, hoses and lines

each system shares the same lines and hoses

one system is the main braking system while the other is a back-up system

each system shares air tanks

68 / 109

While driving, you should keep the shipping papers:

under the seat

in the sleeping compartment

within reach

on the driver's seat

69 / 109

Liquid surge results from movement of the liquid in partially filled tanks. Side-to-side surge can cause:

a rollover

an automatic failure

brake failure

tire failure

70 / 109

The regulations require that HazMat employees be trained and tested at least once every:

year.

5 years.

3 years.

10 years.

71 / 109

Even if you are not required to always stop at railroad crossings and you are sure no train is approaching, you must stop before reaching the crossing if:

you can drive completely through the crossing without stopping.

there is no oncoming traffic.

the tracks are not clear.

there is oncoming traffic.

72 / 109

If a vehicle is equipped with ABS, when you start the engine:

the ABS indicator light on the dash should come on and then turn off.

the trailer emergency brakes will come on.

the spring brakes will come on.

the wheels will lock up.

73 / 109

Brake fade results from:

wet brakes.

excessive heat caused by using brakes too much.

using brakes in cold weather.

All of the above.

74 / 109

The low air pressure warning light is usually:

red

orange

blue

yellow

75 / 109

If your trailer starts to skid, you should:

pump the brakes.

steer in the opposite direction.

release the brakes.

lock the brakes.

76 / 109

Strong winds can make it difficult to stay in your lane, especially when:

driving at speeds below 40 mph.

going into tunnels.

coming out of tunnels.

driving alongside other vehicles.

77 / 109

Shipping papers must include:

what the materials will be used for.

an emergency response telephone number.

the price of the hazardous materials.

All of the above.

78 / 109

If radioactive material is involved in a leak or broken package:

do not use the vehicle until it is cleaned.

do not touch the leaking package and drive to the nearest service station.

clean the vehicle without touching the radioactive material.

immediately contact the fire department.

79 / 109

When approaching a stopped school bus, drivers must be aware that:

students may start to get out of the bus.

the bus may suddenly start up and drive into your way.

passengers may cross in front of or behind the bus.

All of the above.

80 / 109

When you need to brake, you should warn the drivers behind:

by making gestures.

by flashing your brake lights.

by turning on the 4-way emergency flashers.

by changing lanes.

81 / 109

You should be especially alert for drunk drivers:

in the morning.

late at night.

in the early evening.

around shopping areas.

82 / 109

Class 1 hazardous materials include:

Explosives

Flammable solids

Flammable liquids

Radioactive materials

83 / 109

Passive railroad crossings:

require drivers to decide if there is sufficient clear space to cross safely.

have a traffic control device installed at the crossing to regulate traffic.

do not require you to recognize the crossing.

All of the above.

84 / 109

In a convex mirror everything appears:

larger

smaller

darker

brighter

85 / 109

Shippers must warn drivers and others about the material's hazards:

by placing the transmission in Neutral.

by making a written report each day on the condition of the material.

by placing a red triangle with an orange center on the vehicle.

by putting hazard warning labels on packages.

86 / 109

Before leaving your vehicle unattended, you should:

Chock the wheels.

Remove the keys.

Apply the parking brake.

All of the above.

87 / 109

When checking the lights before driving:

you should turn off the engine.

make sure the parking brake is not set.

the engine must be running.

you should check them from inside the vehicle.

88 / 109

To avoid a hazard:

stopping is always the best thing to do.

steering away from what is ahead may be the best thing to do.

changing lanes is always the best thing to do.

driving on the shoulder of the road is always the best thing to do.

89 / 109

For safety during a trip, you should:

check critical items when you stop.

use your senses to check for problems.

watch gauges for signs of trouble.

All of the above.

90 / 109

When driving a tanker, liquid surge:

results from movement of the liquid in full tanks

should not be a concern

can have bad effects on handling.

is never dangerous.

91 / 109

A person attending a placarded parked vehicle:

must be in the vehicle, awake, or within 100 feet of the vehicle, and have the vehicle within clear view.

must know what to do in emergencies.

must be able to move the vehicle, if needed.

All of the above.

92 / 109

Placards should be placed at least ______ away from any other markings.

6 inches

15 inches

3 inches

7 inches

93 / 109

When coming to a stop, the liquid in the tank may surge, causing:

a fire

the vehicle to be pushed forward

the vehicle to stop quicker

causing the drive wheels to spin

94 / 109

Your vehicle may take longer to stop:

if the road is dry

if the tank is empty

if the tank is full of dense liquid

if you are driving in hot weather

95 / 109

What is the main difference between portable tanks and cargo tanks?

Portable tanks are not permanently attached to a vehicle

The product is loaded or unloaded while the portable tanks are off the vehicle

Portable tanks must show the lessee or owner’s name

All of the above

96 / 109

Black ice is:

ice that makes the road look dry

a thin layer of black ice

a thick layer of ice

None of the above

97 / 109

If your trucks has a high center of gravity, which of the following is true for curves?

Reduce your speed to a crawl

You should slow down, as your truck can roll over at the posted speed limit for the curve

You should travel at the posted speed limit

None of the above

98 / 109

It may not be safe to operate at legal maximum weights:

on two-way streets

in hot weather

during bad weather or in mountains

on highways

99 / 109

Baffled liquid tanks:

are usually those that transport food products

have bulkheads with holes that let the liquid flow through

have bulkheads in them to allow the liquid to move freely

have nothing inside to slow down the flow of the liquid

100 / 109

The steering wheel should:

be held firmly with the left hand

be held firmly with the right hand

be held firmly with both hands

be held with one hand at a time

101 / 109

When you pull off the road and stop, you should:

use your high beams

flash your brake lights

turn on the 4-way emergency flashers

use the taillights

102 / 109

Empty trucks:

require a greater stopping distance than full trucks

require a shorter stopping distance than full trucks

require the same stopping distance than full trucks

None of the above

103 / 109

If a tire fails while you are driving, you should:

brake as hard as possible

stay off the brake until your vehicle has slowed down

call your supervisor for instructions

stop on the roadway if possible

104 / 109

The best advice for driving in fog is:

use high beams

use low beams

don't drive

drive slowly in the left lane of traffic

105 / 109

A shipping paper for HazMat must include:

page numbers if the shipping paper has more than 1 page

a shipper's certification signed by the shipper

a proper shipping description for each HazMat

All of the above

106 / 109

If a tank is leaking, you should:

call your dispatcher or supervisor for instructions

get the leak fixed immediately

flash your brake lights to warn other motorists

continue the trip until you can pull into a service station

107 / 109

Which of the following is not a sign of fatigue?

Keeping a steady speed

Yawning repeatedly

Rubbing eyes

Frequent blinking

108 / 109

The tractor protection valve:

prevents the trailer from being accidentally released

keeps air in the brake system should the trailer develop a bad leak

keeps your wheels from locking up when you brake hard

keeps air from going out if the air compressor develops a leak

109 / 109

You should always adjust your speed to be able to stop within:

50 feet

the distance you can see ahead

the length of your vehicle

30 feet

Your score is

All drivers who wish to drive a tank in Class A, B, or C CDL must have an approved Tanker endorsement on their commercial driver’s license СDL.

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