AIR BRAKES CDL PRACTICE TEST - NORTH DAKOTA
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 North Dakota CDL knowledge test. The ND 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 North Dakota CDL Manual. Take this ND CDL practice test now to prepare for the actual air brakes test!
Not Sure You Will Pass?
Get a Pass Guarantee
Get a Pass Guarantee
UPGRADE TO CDL PREMIUM
1.
Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:
|
a rear backup camera.
|
|
|
GPS
|
|
|
anti-lock brakes.
|
|
|
hydraulic brakes.
|
2.
On front tires, tread should be at least:
|
1/16 inch
|
|
|
2/32 inch
|
|
|
4/32 inch
|
|
|
4/16 inch
|
3.
Foundation brakes are used:
|
only with the front wheels.
|
|
|
at each wheel.
|
|
|
only with the right wheels.
|
|
|
only with the rear wheels.
|
4.
You supply air to the trailer brake system by:
|
plugging the electrical cord into the trailer.
|
|
|
pulling out the trailer air supply valve.
|
|
|
pushing in the trailer air supply knob.
|
|
|
connecting the tractor service air line to the trailer service glad hand.
|
5.
If the spring brakes do not release when you push the trailer air supply control, you should:
|
rev or
lug the engine.
|
|
|
pump the brakes.
|
|
|
check the electrical cables.
|
|
|
check the air line connections.
|
6.
Which of the following is NOT a reason for hydraulic brake failure?
|
Stab braking
|
|
|
Loss of hydraulic pressure
|
|
|
Brake fade on long hills
|
|
|
All of the above.
|
7.
Which of the following is a reason why air tanks must be drained?
|
The governor may stop the compressor from pumping air.
|
|
|
Your transmission fluid may drain out.
|
|
|
Your battery fluid may drain out.
|
|
|
Your brakes may fail due to the water freezing.
|
8.
Air brakes:
|
are an effective way to stop large and heavy vehicles.
|
|
|
should be used only when driving on wet roads.
|
|
|
can improve fuel efficiency.
|
|
|
are prohibited on larger vehicles.
|
9.
How many reflective triangles/emergency reflectors should you carry?
|
3
|
|
|
4
|
|
|
2
|
|
|
1
|
10.
To prevent rollover, you should:
|
keep the cargo as close to the ground as possible.
|
|
|
go slowly around turns.
|
|
|
drive slowly around on ramps and off ramps.
|
|
|
All of the above.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More
ND Air Brakes Test
| Number of questions: | 25 |
| Correct answers to pass: | 20 |
| Passing score: | 80% |
Share This Online CDL Test
Save Time. Learn Faster.Ace Your CDL Test.
UPGRADE TO CDL PREMIUM
Rate this Air Brakes Test