HI CDL AIR BRAKES PRACTICE TEST
16.
The application pressure gauge shows:
|
how much air pressure you are applying to the brakes.
|
|
|
how much pressure is in the air tanks.
|
|
|
All of the above.
|
17.
Stepping on and off the brake pedal several times:
|
may result in dangerously thin linings.
|
|
|
may cause air leaks.
|
|
|
reduces the air pressure in the tanks.
|
18.
Before leaving your vehicle unattended, you should:
|
Remove the keys.
|
|
|
Apply the parking brake.
|
|
|
All of the above.
|
19.
Before driving a vehicle with a dual brake brake system, the driver should:
|
pump the brake pedal 10 times to build pressure.
|
|
|
allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
|
|
|
wait at least 10 minutes before driving.
|
20.
Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:
|
a rear backup camera.
|
|
|
hydraulic brakes.
|
|
|
anti-lock brakes.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More