CDL Tanker Test 2023 Questions and Answers

CDL Tanker Test 2023 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 2023 Questions and Answers

Test Name	CDL Practice Test 2023
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

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

A) Coming to a stop.

B) Taking highway curves.

C) Going uphill.

D) Driving on wet roads.

2 / 30

Why do baffles make handling a liquid tank vehicle easier?

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

B) They help control forward and backward surge.

C) They lower the center of gravity.

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

3 / 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.

4 / 30

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

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

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

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

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

5 / 30

Tank B is called a

A) low-capacity tank.

B) low-profile tank.

C) conventional tank.

D) round-bodied tank.

6 / 30

An unbaffled tank is also called a

A) low-profile tank.

B) conventional tank.

C) liquid tank.

D) smoothbore tank.

7 / 30

Tankers carrying liquids can ______ more easily than other vehicles.

A) ascend a hill

B) oll over

C) turn

D) stop

8 / 30

What device divides a liquid tank into several smaller tanks?

A) None of the above

B) A smooth bore

C) A baffle

D) A bulkhead

9 / 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) Distribute the weight evenly.

C) Fill the first compartment highest.

D) Fill the last compartment highest.

10 / 30

Which of the following is a true statement?

A) None of the above

B) Tank A is safer than Tank B.

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

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

11 / 30

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

A) Starting

B) Accelerating

C) Stopping

D) Turning

12 / 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) To the left

C) Backward

D) Forward

13 / 30

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

A) Liquid nitrogen

B) Gasoline

C) Dry cement

D) Milk

14 / 30

What is surge?

A) None of the above

B) Movement of liquid in a partially filled tanker.

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

D) The amount a liquid expands when heated.

15 / 30

Tests have shown that tankers can turn over

A) when taking a curve above the posted speed.

B) while being loaded.

C) while driving on icy roads.

D) when taking a curve at the posted speed.

16 / 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 speed you will be traveling.

D) The distance you will be traveling.

17 / 30

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

A) Leaving the highway via a curved off-ramp

B) Going up a steep hill

C) Stopping suddenly

D) Changing lanes on a highway

18 / 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 1, 2, and 3

C) Compartments 2, 3, and 4

D) Compartments 1, 3, and 5

19 / 30

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

A) Tank A

B) Tank C

C) All of the above

D) Tank B

20 / 30

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

A) Orange juice

B) Liquid propane

C) Acid

D) Gasoline

21 / 30

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

A) None of the above

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

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

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

22 / 30

What is outage?

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

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

C) The horsepower required to haul a liquid tanker

D) Liquid that is leaking from a liquid tanker

23 / 30

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

A) at the posted speed.

B) slightly above the posted speed.

C) well below the posted speed.

D) slightly below the posted speed.

24 / 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

25 / 30

Forward and backward surge is especially strong when a tanker is

A) unbaffled.

B) going up a hill.

C) turning a corner.

D) baffled

26 / 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 opposite the direction the wave was moving.

C) rollover.

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

27 / 30

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

A) movement of liquid in the tank.

B) loaded tanker’s low center of gravity.

C) length of the vehicle.

D) weight of the vehicle.

28 / 30

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

A) more top-heavy.

B) wider

C) safer

D) heavier

29 / 30

The amount of liquid you can legally carry does

A) the liquid’s weight.

B) legal weight limits.

C) the distance to be traveled.

D) the amount the liquid will expand in transit.

30 / 30

A tank vehicle is a vehicle used to transport

A) gasoline or other petroleum products.

B) military equipment.

C) hazardous liquids.

D) any liquid or liquefied gaseous material.

Your score is

The average score is 77%

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