Oklahoma DMV CDL General Knowledge Quick Practice Test 4

Oklahoma DMV CDL General Knowledge Quick Practice Test 4 For 2024

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. What is removed when an air tank is drained?

Water and oil
Ammonia
Liquid cleaners

2. If a load is 40 feet long, it should be secured by at least ____ tie-downs.

Two
Three
Four

3. To prevent your tires and engine from overheating while you are driving in especially hot weather, you should:

Increase your speed.
Decrease your speed.
Drive on the shoulder.
Drive with your windows down.

4. In extremely hot conditions, you may have to:

Increase your speed to cool the engine.
Reduce your speed to prevent overheating.
Drain the engine coolant.
Follow other vehicles more closely than normal.

5. When passing another vehicle, you should:

Make eye contact with the other driver.
Assume the other driver doesn’t see you.
Honk your horn.
Wave to other drivers.

6. A vehicle equipped with an Anti-Lock Braking System (ABS) can be identified by:

A sticker on the control panel.
A yellow lamp on the instrument panel.
The letters "ABS" on the brake pedal.
A metal plate on the inside of the driver’s side door.

7. Radial and bias-ply tires:

Should be used together on all axles.
Should be used together, but only on the rear axle.
Should not be used together.

8. Skids caused by acceleration can usually be resolved by:

Accelerating.
Removing your foot from the accelerator.
Coming to a complete stop.

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