An engine can be rapidly destroyed if it is run without oil. If its oil pressure gauge is low or fluctuating, do not operate a vehicle.

A vehicle's engine may be damaged quickly.

A vehicle will likely run smoothly.

A vehicle will make quick jerks while driving.

A vehicle's engine may be damaged quickly.

A vehicle's gas mileage will improve.

When checking your vehicle's tires, you should confirm that air pressure is neither too low nor too high; that there is at least 4/32 of an inch of tread depth in every major groove on the front tires; and that radial and bias-ply tires are not used together.

Tread of at least 4/32 of an inch in the grooves on front tires

Radial and bias-ply tires used together

During an inspection, there are a number of tire problems to check for and avoid. Look for air pressure that is too low or too high; excessive wear; cuts or other damage; tread separation; dual tires that come into contact with each other or other parts of the vehicle; mismatched tire sizes; radial and bias-ply tires used together; cut or cracked valve stems; and regrooved, recapped, or retreaded tires on the front wheels of a school bus.

All tires are made by the same company

Radial and bias-ply tires used together

Recapped tires on the front of a school bus

All tires are made by the same company

Leaks in an exhaust system are extremely dangerous because they may allow toxic fumes into the cab or sleeper berth, endangering drivers and passengers.

Poisonous fumes may enter the cab.

Fumes may exit the rear of the muffler system.

Proper steering may be impossible.

Tank Endorsement Test | Oregon 2024 #1

Train for FREE with our Oregon tank endorsement practice test online. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a OR tank license in 2024, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a CDL tank vehicle endorsement may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

Tank Endorsement Test | Oregon 2024 #1

1 . Steering wheel play should be no more than:

2 . A person should not smoke within ____ of a vehicle placarded for Class 3 or Division 2.1 materials.

3 . Without oil in its engine:

4 . When checking tires, finding which of the following is not a cause for concern?

5 . Which of the following is not a tire problem to check for and avoid?

6 . What can happen if the exhaust system is not working properly?

7 . When driving a tank, a surge:

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