Tanker Endorsement Test - Driver Resource Center

Welcome to the Tanker Endorsement CDL Practice Test! This practice test is designed to help aspiring commercial truck drivers prepare for the Tanker Endorsement portion of the Commercial Driver's License (CDL) exam. If you're looking to operate commercial vehicles that transport liquids or gases in bulk, such as water, chemicals, petroleum, or hazardous materials, obtaining a Tanker Endorsement is essential. This endorsement demonstrates your knowledge and skills in safely handling tank vehicles, ensuring the safety of yourself and others on the road.

START

Baffles in liquid cargo tanks do not usually prevent ________ surge.

Side to side

Top to bottom

Front to back

An emergency forces you to stop your tanker quickly or crash. You should

Use controlled or stab braking

Use only the emergency brakes

Use light pressure on the brake pedal

Push the brake pedal as hard as you can

What does Outage mean?

Allowance for expansion of liquids

Liquid Weight

How fast the liquid tank drains

None of the above

When should the driver of a tanker that has lost its brakes use an escape ramp?

Never

Always

Only if the tank is empty

Only if the tank is full

When your cargo tank has baffles, what handling effect do you expect?

There will be more low surge than quick surge

There will be less front-to-back surge than there is in tanks without baffles

There will be less side-to-side surge than there is in tanks without baffles

The surge to be the same as a tank without baffles

If you are driving a tanker and need to steer quickly to avoid a hazard, you

Should not apply the brakes while turning

Should wrap your thumb around the steering wheel before starting the steering movement

Will find that tankers are easier to countersteer than most vehicles.

Complete the maneuver the same as you would with any trailer.

Which is the best way to take a curve when driving a tank trailer?

Slow to a safe speed before entering, then coast through the curve

Maintain speed until you enter, then brake as you drive through the curve

Slow to a safe speed before entering, then accelerate slightly through the curve

Drive normally through the curve

When driving with a loaded tanker on a clear night, you must dim your lights from high to low. You should adjust your speed so that you can stop within:

The distance you will travel in the next 15 seconds

The distance you can see ahead

100 feet

None, continue at your current speed

You should know the outage needed for the liquids you carry because:

Some of the heaviest liquids do not have any

Some liquids expand more than others when they get warm

Tank baffles are not always legal with outage

All of the above

10.

The movement of the liquid in partially filled tanks is called

Waves

Surging

Splashing

Sloshing

11.

Which statement about tankers and their center of gravity is true?

Tankers can turn over at the same speed limits posted for curves

Much of the load’s weight is carried high up off the road

Both of the above

12.

You should be extremely cautious when driving smooth bore tanks, especially when you are:

Going up and downhill

Loading and unloading

Starting and stopping

13.

Which of the following statements about stopping distance and speed is true when pulling a tanker trailer.

Total stopping distance is how far you will travel after the brakes are applied at speeds over 30 mph

Wet roads can double stopping distance at any speed

You need about two times as much stopping distance at 40 mph as at 20 mph

All of the above

14.

Side to side surge can cause

Tire failure

Uneven tire wear

Rollover

All of the above

15.

Liquid tight separators between compartments inside tanks are called

Bulkheads

Barriers

Baffles

Walls

16.

Hauling liquids in tankers requires special care for two reasons. One reason is the _____ center of gravity.

Flat

Low

Wide

High

17.

The amount of liquid to load into the tank depends on what?

The legal weight limits

The amount the liquid will expand in the tank

Both of the above

None of the above

18.

Separators with openings or holes in them, that are between compartments in a tank are called

Barriers

Baffles

Bulkheads

19.

You are driving a tanker truck and the front wheels begin to skid. Which of these is most likely to occur?

You will continue in a straight line and keep moving forward no matter how much you steer

Liquid surge will pull the tank from the truck

The truck will roll over

You will begin to jackknife

20.

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

Cargo tanks are filled while on the vehicle; portable tanks are filled while off the vehicle

Portable tanks must additionally show the owner or lessee’s name on them

Cargo tanks are permanently attached; portable tanks are temporarily attached

All of the above

Great job you’ve finished the Tanker Endorsement Test! Please enter your name and email. Your results will be presented on the next page. Feel free to retake the test as many times as you need to.

Worried about passing your CLP exam? As a student of a DRC network school, we’ll give you all of the resources needed to pass each section of the written CDL exam. Not enrolled yet? Learn more by calling 800-391-2754 or apply now.

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