Free Rhode Island CDL Air Brakes Practice Test 2022

Do you need a Rhode Island Air Brakes endorsement or an L endorsement for your commercial driving license? The Rhode Island 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 RI 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 RI CDL Practice Test to get ready to pass the Rhode Island CDL Air Brake Test now. 

Our CDL practice tests:
Based on 2022 RI commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
RI CDL Air Brakes Test format:
25 questions
20 correct answers to pass
80% passing score
List of questions
1.
The most common type of foundation brakes are:
2.
The air compressor stops pumping air at what psi?
3.
An automatic wig wag will rise out of your view when the pressure in your system rises above what psi?
4.
The air brake lag distance at 55 mph on dry pavement adds about ____ feet.
5.
When is it OK to leave your truck unattended without applying the parking brakes and choking the wheels?
6.
Air tanks need to be drained ______.
7.
An air brake system is fully charged at what psi?
8.
The application pressure gauge shows how much air pressure you:
9.
When testing air leakage rates for single vehicles, initial loss rate should be less than:
10.
The type of brakes that clamp the rotor between the brake shoes is:
11.
Air governor cut-out should be at around:
12.
What is the purpose of an antilock braking system (ABS)?
13.
Some vehicles are equipped with a control allowing you to apply the spring brakes gradually, called a:
14.
Spring brakes will come on automatically, but the parking brake can also be applied:
15.
To check the free play of manual slack adjusters of S-cam brakes, you should park on:
16.
It is not safe to drive a vehicle that has brake drums with cracks that are longer than _____ of the width of the friction area.
17.
If you are driving down a steep downgrade and have reached your safe speed of 40 mph, you would apply the service brake until your speed dropped to ____ mph.
18.
Air braking takes more time than hydraulic braking because:
19.
The parking brake should not be used when wet in freezing temperatures, or:
20.
Pressing and releasing the brake pedal unnecessarily:
21.
Brake drums should not have cracks longer than what length?
22.
If your vehicle has an alcohol evaporator, the evaporator's purpose is to _____.
23.
You should use the parking brake _____________.
24.
During a normal drive, the spring brakes are held back by _____.
25.
What does ABS stand for?