Free Rhode Island CDL Air Brakes Practice Test 2023

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 2021 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
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?
The driver must be able to see a low air pressure warning which comes on before pressure in the service air tanks fall below ____ psi.
How far should manual slack adjusters move before they need to be adjusted?
At 55 mph on dry pavement, the air brake lag distance is how many feet?
If you must make an emergency stop, you should brake so you:
In ideal conditions a truck or bus with air brakes going at 55 mph would require the stopping distance of how many feet?
To make sure that the spring brakes come on automatically, do all of the following except:
Which braking system applies and releases the parking brakes when you use the parking brake control?
When does the air compressor governor allow air to start pumping?
The safety valve is set automatically when pressure is:
After the initial pressure drop, air leakage for single vehicles should be less than:
Compared to hydraulic brakes, air brakes add how much distance to an average 55 mph stop?
In order to make contact with the brake drum, the brake pads and linings are pushed outward by the:
Brake drums (or discs) must not have cracks longer than ____ the width of the friction area.
With air brake vehicles, the parking brakes should be used:
In a dual air brake system, if the air pressure in one part of the system drops enough to set off the low air warning:
How are brakes designed?
At minimum, a dual air system should build up to what psi in the primary and secondary systems?
Stab braking should only be used:
Initial air leakage rate for combination vehicles should be:
The belt of a belt-driven air compressor should be ________.
Air tanks should be drained:
On a long or steep downgrade, how should vehicle speed be primarily controlled?
What is an alternative name for a brake pedal?
To test the parking brake you should _______.