CDL Tanker Test 2024 Questions and Answers

CDL Tanker Test 2024 Questions and Answers: Try our free CDL Tank Endorsement Practice Test Online. You must pass the CDL Tanker knowledge test for driving a tank vehicle. A “tank vehicle” is used to carry any liquid or liquid gas in a tank of 1,000 gallons or more. (This endorsement is also needed for dry bulk tankers.)

Before loading, unloading, or driving a tanker, inspect the vehicle. This ensures that the vehicle is safe to carry the liquid or gas and is safe to drive. A tank endorsement is also required for Class C vehicles when the vehicle is used to transport hazardous materials in liquid or gas form in the rated tanks.

CDL Tanker Test 2024 Questions and Answers

Test Name	CDL Practice Test 2024
Language	English
License	Endorsements Permit
Total Questions	30 Questions and Answers
Test For	Commercial Driver License
Test Preparation	Tank Endorsement Endorsements
Country	USA
Explanation	No

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CDL Tanker Test

1 / 30

What is surge?

A) The amount a liquid expands when heated.

B) Acceleration of a truck caused by movement of its load.

C) None of the above

D) Movement of liquid in a partially filled tanker.

2 / 30

When a tank vehicle comes to a stop, liquid will surge back and forth. When the wave hits one end of the tank, the truck will

A) rollover.

B) None of the above

C) be pushed in the direction the wave was moving.

D) be pushed in the direction opposite the direction the wave was moving.

3 / 30

Why do baffles make handling a liquid tank vehicle easier?

A) They lower the center of gravity.

B) They help control forward and backward surge.

C) They put more weight on the front and rear of the vehicle.

D) They help control side-to-side surge.

4 / 30

A tank vehicle is a vehicle used to transport

A) hazardous liquids.

B) gasoline or other petroleum products.

C) any liquid or liquefied gaseous material.

D) military equipment.

5 / 30

What is outage?

A) The horsepower required to haul a liquid tanker

B) Liquid that is traveling through a bulkhead between two small tanks

C) Liquid that is leaking from a liquid tanker

D) The room that is allowed in a tank above the liquid load for expansion

6 / 30

When loading a 5-compartment tank with different liquids, which of the following should you do?

A) Fill the last compartment highest.

B) Fill the first compartment highest.

C) Distribute the weight evenly.

D) Fill each compartment as full as possible.

7 / 30

A tank vehicle’s high center of gravity makes which of the following especially dangerous?

A) Taking highway curves.

B) Coming to a stop.

C) Driving on wet roads.

D) Going uphill.

8 / 30

The design of Tank B will not affect handling in which circumstance?

A) Stopping

B) Starting

C) Turning

D) Accelerating

9 / 30

Compared to a low-profile tank, a conventional tank is always

A) heavier

B) safer

C) wider

D) more top-heavy.

10 / 30

When you are coming to a sudden stop, the liquid in a tanker will

A) stop moving suddenly.

B) splash up and down.

C) surge backward and forward.

D) surge from side to side.

11 / 30

You are filling a liquid tanker. Besides the outage requirement, what else must you consider in determining the amount of liquid you can legally carry?

A) The speed you will be traveling.

B) The weight of the liquid.

C) The distance you will be traveling.

D) Whether the tanker is baffled or unbaffled.

12 / 30

You are loading 3 different liquids that must not be mixed into Tank A. Which 3 compartments should you use?

A) Compartments 1, 2, and 3

B) Compartments 3, 4, and 5

C) Compartments 2, 3, and 4

D) Compartments 1, 3, and 5

13 / 30

Sanitation regulations forbid the use of baffles when transporting food products. Why?

A) Because of the difficulty of cleaning the inside of a baffled tank.

B) Because baffles would increase the motion of the liquid.

C) None of the above

D) Because an unbaffled tank can be driven at higher speeds and less time will be needed for transporting the load.

14 / 30

Tankers carrying liquids can ______ more easily than other vehicles.

A) oll over

B) turn

C) ascend a hill

D) stop

15 / 30

An unbaffled tank is also called a

A) liquid tank.

B) smoothbore tank.

C) low-profile tank.

D) conventional tank.

16 / 30

Tank B is called a

A) conventional tank.

B) round-bodied tank.

C) low-capacity tank.

D) low-profile tank.

17 / 30

Which of the following is a true statement?

A) Tank A has a lower center of gravity than Tank B.

B) None of the above

C) Tank A will be less likely to roll over when taking curves.

D) Tank A is safer than Tank B.

18 / 30

Tank A and Tank B are the same length. Which of the following is true?

A) Tank B can carry more liquid than Tank A.

B) Tank A can carry more liquid than Tank B.

C) Tank A will require more outage than Tank B.

D) Tank A and Tank B can carry the same number of gallons.

19 / 30

Which of the following is more dangerous when driving an unbaffled tank than when driving a baffled tank?

A) Changing lanes on a highway

B) Stopping suddenly

C) Going up a steep hill

D) Leaving the highway via a curved off-ramp

20 / 30

Which tank in the figure above is specially designed to reduce liquid surge?

A) Tank A

B) All of the above

C) Tank C

D) Tank B

21 / 30

Forward and backward surge is especially strong when a tanker is

A) turning a corner.

B) unbaffled.

C) baffled

D) going up a hill.

22 / 30

The amount of liquid you can legally carry does

A) the distance to be traveled.

B) the liquid’s weight.

C) the amount the liquid will expand in transit.

D) legal weight limits.

23 / 30

A portable tank having a capacity of at least ________ is considered a tank vehicle.

A) 100 gallons

B) 100 pounds

C) 1,000 pounds

D) 1,000 gallons

24 / 30

Which of the following is an unbaffled liquid tanker most likely to be carrying?

A) Gasoline

B) Liquid nitrogen

C) Dry cement

D) Milk

25 / 30

Which of the following would Tank B be least likely to carry?

A) Acid

B) Gasoline

C) Liquid propane

D) Orange juice

26 / 30

When carrying liquids, you should take an off-ramp curve at a speed

A) well below the posted speed.

B) at the posted speed.

C) slightly above the posted speed.

D) slightly below the posted speed.

27 / 30

Tank A was moving forward and has just stopped. The liquid surge will push the tank first in which direction?

A) To the right

B) Backward

C) Forward

D) To the left

28 / 30

Tests have shown that tankers can turn over

A) while being loaded.

B) while driving on icy roads.

C) when taking a curve at the posted speed.

D) when taking a curve above the posted speed.

29 / 30

What device divides a liquid tank into several smaller tanks?

A) A smooth bore

B) A bulkhead

C) None of the above

D) A baffle

30 / 30

You need special skills if you are hauling liquids because of the

A) movement of liquid in the tank.

B) length of the vehicle.

C) weight of the vehicle.

D) loaded tanker’s low center of gravity.

Your score is

The average score is 75%

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