ARKANSAS CDL AIR BRAKES PRACTICE TEST

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 Arkansas CDL knowledge test. The AR 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 Arkansas CDL Manual. Take this AR CDL practice test now to prepare for the actual air brakes test!
1. How many reflective triangles/emergency reflectors should you carry?
2
1
4
3
2. Your vehicle has a dual air brake system. If one air system is very low on pressure, you should:
bring the vehicle to a safe stop, and have the air brakes system fixed.
call your dispatcher or supervisor for instructions.
reduce your speed and drive to the nearest garage for repairs.
reduce your speed and check the low air pressure warning signal for the other system regularly.
3. Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
Stopping Distance - (minus) Brake Fade Distance
Total Stopping Distance
Total Air Pressure
Partial Stopping Distance
4. A driver distraction is anything that takes your attention away from driving, such as:
billboards.
adjusting the radio.
pedestrians.
All of the above.
5. To use the controlled braking method in an emergency, you should:
apply the brakes when the wheels lock up.
apply your brakes all the way, and release the brakes when the wheels lock up.
pump the brake pedal 3 times.
apply the brakes as hard as you can without locking the wheels.
6. A warning signal must come on before the air pressure in the tanks falls below:
30 psi.
120 psi.
20 psi.
60 psi.
7. When you release the brake pedal, the _____ rotates back and a spring pulls the brake shoes away from the drum.
hydraulic brake system
air compressor belt
pressure gauge
S-cam
8. Which of the following is NOT part of the drum brake?
Safety valve
Axle
Brake drum
Return spring
9. Do NOT use the parking brakes:
to test that they work.
when you park for less than two hours.
if the brakes are very hot.
when you leave your vehicle.
10. To test the low pressure warning signal, you should:
check the air hoses connected to the brake chambers to make sure they aren't cut.
manually let the air out of your brakes and see if the signal comes on.
shut the engine off when you have enough air pressure, turn the electrical power on and step on and off the brake pedal until the low air pressure warning signal comes on.
pump the brakes while your vehicle is running.
 
Page 1 of 3
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More

AR CDL Air Brakes Test

Number of questions: 25
Correct answers to pass:20
Passing score:80%
Share This Online CDL Test
Rate this CDL Air Brakes Test
4.6 out of 5
based on 193 votes