Alabama DMV CDL General Knowledge Quick Practice Test 1

Alabama DMV CDL General Knowledge Quick Practice Test 1 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. ____ is a thin layer of ice that forms on road surfaces.

White ice
Black ice
Green ice
Blue ice

2. A fatigued driver:

Is extra alert.
Should take over-the-counter remedies to wake them up.
May make critical decisions too slowly.
Is usually more conscientious than a typical driver.

3. Skids caused by over-acceleration can usually be resolved by:

Removing your foot from the accelerator.
Braking.
Swerving to the right.

4. The two indicators that determine when you should upshift are:

Engine speed and road speed.
Other trucks and road conditions.
Timing and road position.
Oil pressure and air brake pressure.

5. When looking under your vehicle's hood during a pre-trip inspection, you should:

Use the parking brakes and/or chock blocks.
Leave the vehicle in a low gear.
Remove the battery.
Disconnect the radiator.

6. A wig wag is:

A low pressure warning device.
A tube that carries air to the brakes.
A type of air brake system.

7. Cargo on flatbed trailers should be:

Tied down.
Glued down.
Left loose.
Pushed to one side.

8. Air brakes use ____ to function.

Compressed air
Liquid nitrogen
Carbon dioxide

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