In Partnership with Voorheesville Public Library

View instructions
The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the New York CDL knowledge test. The NY CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the New York CDL Manual. Take this NY CDL practice test now to prepare for the actual air brakes test!
1. If a load is placed on one side of the trailer:
your brakes won't work.
making turns may be easier.
a rollover is more likely.
the steering axle weight will be too light to steer safely.
2. If the air compressor is belt-driven, you should check the air compressor drive belt before each trip. The belt should be:
3. Combination vehicles have __ air lines.
4. Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
greater; more
less; more
greater; less
less; less
5. If your ABS malfunctions:
the service brake will not work.
the parking brakes will not work.
you should immediately come to a complete stop.
you still have normal brake functions.
6. Some vehicles have a separate air tank which can be used to:
hold the vehicle or combination of vehicles stationary.
turn on the 4-way emergency flashers.
unload cargo or passengers.
release the spring brakes.
7. The most common foundation brakes found on vehicles with air brakes are the:
disc brakes.
parking brakes.
S-cam brakes.
wedge brakes.
8. If you are being tailgated, you should:
increase your following distance.
avoid tricks like turning on your taillights or flashing your brake lights.
avoid quick changes.
All of the above.
9. When you apply the brakes, the brake shoes and linings are pushed against:
the supply pressure gauge.
the safety relief valve.
the S-cam.
None of the above.
10. The s-cam forces the brake shoes away from one another and presses them against the inside of the brake drum. It is called the s-cam because:
it applies a "Shock" to the brakes.
"S" stands for "Shoes".
it is shaped like the letter "S".
it is a safe-driving brake.
Page 1 of 3
Next page

NY Air Brakes Test

Number of questions: 25
Correct answers to pass:20
Passing score:80%
Share This Online CDL Test
Rate this Air Brakes Test
4.6 out of 5
based on 246 votes