AIR BRAKES CDL PRACTICE TEST - WYOMING
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 Wyoming CDL knowledge test. The WY 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 Wyoming CDL Manual. Take this WY CDL practice test now to prepare for the actual air brakes test!
1.
Before starting down a hill, you should slow down and shift down:
|
to a gear that will cause your engine to exceed its redline.
|
|
|
to a gear that will cause your brakes to overheat.
|
|
|
to a speed that you can control without using the brakes hard.
|
|
|
so you can coast downhill.
|
2.
Which of the following can cause brakes to fade or fail?
|
Not relying on the engine braking effect
|
|
|
Excessive use of the service brakes
|
|
|
Brakes out of adjustment
|
|
|
All of the above.
|
3.
Why must air tanks be drained?
|
Your transmission fluid may drain out.
|
|
|
There might not be enough antifreeze in the system.
|
|
|
The alcohol evaporator might stop working.
|
|
|
The water can freeze in cold weather and cause brake failure.
|
4.
The safety valve is usually set to open at:
|
125 psi
|
|
|
150 psi
|
|
|
100 psi
|
|
|
200 psi
|
5.
To apply the parking brakes:
|
place the parking brake control knob in Neutral.
|
|
|
pull the parking brake control knob out.
|
|
|
push the brake pedal three times.
|
|
|
push the parking brake control knob in.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More