Free Montana CDL Air Brakes Practice Test 2022

Do you need an Air Brakes endorsement or an L endorsement for your commercial driving license? The Montana CDL Air Brake test has some differences from other endorsements because your license will receive a mark of restriction if you fail the test. So having good preparation before exam day is very necessary. To ensure that our questions are relevant, all of our CDL practice test packs are based on the Montana CDL Manual. Each question has a detailed explanation for you to thoroughly learn the format and the topic. Don't be afraid of having a restriction on your license. Let’s try our Montana CDL Practice Test to get ready to pass the Montana CDL Air Brake Test now. 

Our CDL practice tests:
Based on 2022 MT commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MT CDL Air Brakes Test format:
25 questions
20 correct answers to pass
80% passing score
List of questions
1.
If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of compressed air storage tanks?
2.
In case of emergency when driving a vehicle equipped with dual parking control valves, you should:
3.
A low air pressure warning signal is ________.
4.
Excessive use of the service brakes results in overheating which can lead to:
5.
Air tanks need to be drained ______.
6.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
7.
To test the vehicle's service brakes, move the vehicle:
8.
The 3 individual systems of the air brakes are the service brakes, emergency brake, and:
9.
While applying the brakes, what tells the driver how much air pressure is being used?
10.
When the air system is low ________.
11.
Generally, air governor cut-in should be at:
12.
Air governor cut-out should be at around:
13.
When your brake's main air pressure is lost ________.
14.
If you must make an emergency stop, you should brake so you:
15.
Air braking takes more time than hydraulic braking because:
16.
What tells the driver how much air pressure is in the air tanks?
17.
Pressing and releasing the brake pedal unnecessarily:
18.
Repeatedly partially increasing and pressing the brake pedal may result in:
19.
Why should you check the brake adjustment often?
20.
The most common type of foundation brake is?
21.
Why do air brakes take longer to stop than hydraulic brakes?
22.
How does the antilock brake system benefit the driver?
23.
The belt of a belt-driven air compressor should be ________.
24.
What does ABS stand for?
25.
To prevent too much pressure from building up in the system, what is installed?