AIR BRAKES 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!
Not Sure You Will Pass?
Get a Pass Guarantee
Get a Pass Guarantee
UPGRADE TO CDL PREMIUM
1.
In a dual air brake system, if one air system is very low on pressure:
|
either the front or rear brakes will not be operating fully.
|
|
|
you should pump the brakes to restore pressure.
|
|
|
the effect won't be noticeable for the first 50 miles.
|
|
|
you should drive and brake as you always have.
|
2.
The best way to know what's going on behind and to the sides of your vehicle is to:
|
use the rear view camera.
|
|
|
check your mirrors regularly.
|
|
|
lean out of the window.
|
|
|
ask your passenger(s).
|
3.
If you perform the skills test in a vehicle that is not equipped with air brakes:
|
you will be required to take the tank vehicle test.
|
|
|
you will be restricted from operating vehicles with air brakes.
|
|
|
you will be required to operate a CMV without hydraulic brakes.
|
|
|
you will be required to operate vehicles with air brakes.
|
4.
To test the low pressure warning signal, you should:
|
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.
|
|
|
check the air hoses connected to the brake chambers to make sure they aren't cut.
|
|
|
pump the brakes while your vehicle is running.
|
5.
When driving a 60 foot truck at 35 mph in ideal conditions, you should keep at least _______ of space in front of you.
|
12 seconds
|
|
|
5 seconds
|
|
|
6 seconds
|
|
|
4 seconds
|
6.
Which of the following is NOT part of the air brake system?
|
Emergency brake system
|
|
|
Service brake system
|
|
|
Parking brake system
|
|
|
Anti-lock brake system
|
7.
To avoid becoming a distracted driver you should:
|
adjust all vehicle controls and mirrors while driving.
|
|
|
eat and drink while you drive.
|
|
|
not engage in complex conversations with others.
|
|
|
not turn off all communication devices.
|
8.
When the air pressure is built up to governor cutoff, the air leakage rate for combination vehicles with the engine off and the foot brake fully applied should be less than_____ in one minute.
|
2 psi
|
|
|
3 psi
|
|
|
4 psi
|
|
|
5 psi
|
9.
Axle weight is:
|
the weight transmitted to the ground by one axle or one set of axles.
|
|
|
the maximum safe weight your tires can carry at a specified pressure.
|
|
|
the value specified by the manufacturer as the loaded weight of one axle.
|
|
|
the weight of all the axles added together.
|
10.
The safety valve is usually set to open at:
|
125 psi
|
|
|
150 psi
|
|
|
200 psi
|
|
|
100 psi
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More
NH Air Brakes CDL 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 CDL Test