AIR BRAKES CDL PRACTICE TEST - NEW HAMPSHIRE
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 Hampshire CDL knowledge test. The NH 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 Hampshire CDL Manual. Take this NH CDL practice test now to prepare for the actual air brakes test!
1.
Before driving a vehicle with a dual brake brake system, the driver should:
|
pump the brake pedal 10 times to build pressure.
|
|
|
wait at least 5 minutes before driving.
|
|
|
wait at least 10 minutes before driving.
|
|
|
allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
|
2.
The safety valve installed in the first tank the air compressor pumps air is set to open:
|
if there is too much pressure.
|
|
|
at 30 psi.
|
|
|
every 15 minutes.
|
|
|
if there is too little pressure.
|
3.
When you use your mirrors while driving on the road, you should:
|
only use the driver's side mirror.
|
|
|
stare for a long time at the mirror.
|
|
|
avoid checking them regularly.
|
|
|
check them quickly.
|
4.
Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
|
less; less
|
|
|
greater; less
|
|
|
less; more
|
|
|
greater; more
|
5.
With the controlled braking method, you:
|
push down on the brake pedal as hard as you can so that the wheels the lock up.
|
|
|
apply the brakes as hard as you can without locking the wheels.
|
|
|
apply the brakes all the way and release brakes when the wheels the lock up.
|
|
|
None of the above.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More