Michigan DMV CDL Air Brakes Quick Practice Test

Michigan DMV CDL Air Brakes Quick Practice Test 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.

99.5% Pass Rate

Get Access To Official DMV Online Tests & A Master Cheat Sheet With All Questions & Answers For Your State. 99.5% Pass Rate Guaranteed!

Upgrade To Premium

Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. What does the air compressor governor do?

Controls when the air compressor pumps air into the air storage tanks.
Controls how quickly air leaves the air storage tanks.
Controls the temperature of the air entering the air storage tanks.
Controls the temperature of the air leaving the air storage tanks.

2. Truck tractors with air brakes built on or after March 1, 1997 must have:

An Anti-Lock Braking System (ABS).
Bluetooth.
GPS.
A rear back-up camera.

3. What happens when the wheels of a trailer lock up?

The trailer will usually continue to move in a straight line.
The trailer will disengage.
The trailer will likely swing around.
The trailer will stop.

4. Brakes can get out of adjustment quickly, especially:

If they are hot.
In the winter time.
If they are used frequently.

5. An air compressor governor controls:

When the air compressor pumps air into the air storage tanks.
How fast air is pumped into the air storage tanks.
The temperature of the air pumped into the air storage tanks.

6. On a truck with air brakes, the braking system’s air compressor:

Pumps air into the air storage tanks.
Fills the tires.
Moves air to the back of the truck.
Cleans the brakes.

7. Water and compressor oil are usually found in the compressed air within an air brake system. Water and compressor oil:

Are necessary for the proper function of the air brake system.
Should be added if low.
Should be removed regularly.
Are not concerns.

8. Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.

Green
Blue
Yellow

Page 1 of 3