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

Why do baffles make handling a liquid tank vehicle easier?

A) They lower the center of gravity.

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

C) They help control forward and backward surge.

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

2 / 30

A tank vehicle is a vehicle used to transport

A) gasoline or other petroleum products.

B) any liquid or liquefied gaseous material.

C) military equipment.

D) hazardous liquids.

3 / 30

Tests have shown that tankers can turn over

A) while driving on icy roads.

B) while being loaded.

C) when taking a curve at the posted speed.

D) when taking a curve above the posted speed.

4 / 30

The amount of liquid you can legally carry does

A) the liquid’s weight.

B) the distance to be traveled.

C) legal weight limits.

D) the amount the liquid will expand in transit.

5 / 30

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

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

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

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

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

6 / 30

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

A) splash up and down.

B) surge backward and forward.

C) surge from side to side.

D) stop moving suddenly.

7 / 30

Forward and backward surge is especially strong when a tanker is

A) going up a hill.

B) baffled

C) turning a corner.

D) unbaffled.

8 / 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 weight of the liquid.

B) Whether the tanker is baffled or unbaffled.

C) The distance you will be traveling.

D) The speed you will be traveling.

9 / 30

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

A) Compartments 3, 4, and 5

B) Compartments 2, 3, and 4

C) Compartments 1, 2, and 3

D) Compartments 1, 3, and 5

10 / 30

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

A) slightly above the posted speed.

B) slightly below the posted speed.

C) at the posted speed.

D) well below the posted speed.

11 / 30

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

A) Gasoline

B) Orange juice

C) Liquid propane

D) Acid

12 / 30

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

A) heavier

B) wider

C) safer

D) more top-heavy.

13 / 30

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

A) loaded tanker’s low center of gravity.

B) movement of liquid in the tank.

C) weight of the vehicle.

D) length of the vehicle.

14 / 30

Which of the following is a true statement?

A) Tank A is safer than Tank B.

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

C) None of the above

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

15 / 30

What is surge?

A) The amount a liquid expands when heated.

B) None of the above

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

D) Movement of liquid in a partially filled tanker.

16 / 30

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

A) Driving on wet roads.

B) Taking highway curves.

C) Going uphill.

D) Coming to a stop.

17 / 30

Tankers carrying liquids can ______ more easily than other vehicles.

A) stop

B) turn

C) oll over

D) ascend a hill

18 / 30

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

A) 100 pounds

B) 1,000 gallons

C) 100 gallons

D) 1,000 pounds

19 / 30

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

A) Fill each compartment as full as possible.

B) Fill the last compartment highest.

C) Fill the first compartment highest.

D) Distribute the weight evenly.

20 / 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) None of the above

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

C) rollover.

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

21 / 30

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

A) Turning

B) Stopping

C) Starting

D) Accelerating

22 / 30

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

A) Backward

B) To the right

C) To the left

D) Forward

23 / 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

24 / 30

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

A) None of the above

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

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

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

25 / 30

Tank B is called a

A) low-profile tank.

B) low-capacity tank.

C) round-bodied tank.

D) conventional tank.

26 / 30

What is outage?

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

B) Liquid that is leaking from a liquid tanker

C) The horsepower required to haul a liquid tanker

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

27 / 30

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

A) Dry cement

B) Milk

C) Liquid nitrogen

D) Gasoline

28 / 30

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

A) Tank C

B) Tank B

C) All of the above

D) Tank A

29 / 30

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

A) Going up a steep hill

B) Leaving the highway via a curved off-ramp

C) Stopping suddenly

D) Changing lanes on a highway

30 / 30

An unbaffled tank is also called a

A) liquid tank.

B) conventional tank.

C) smoothbore tank.

D) low-profile tank.

Your score is

The average score is 75%

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