AR CDL AIR BRAKES PRACTICE TEST
6.
If stopped on a hill, how can you start moving without rolling back?
|
Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.
|
|
|
Release the parking brake before you have applied enough engine power to keep from rolling back.
|
|
|
Press on the gas pedal, even if you have to roll back a little.
|
|
|
None of the above.
|
7.
Brake fade results from, and is affected by:
|
excessive heat caused by using the brakes too much.
|
|
|
excessive heat caused by not relying on the engine braking effect.
|
|
|
brakes out of adjustment.
|
|
|
All of the above.
|
8.
When you apply the brakes, the brake shoes and linings are pushed against:
|
the safety relief valve.
|
|
|
the S-cam.
|
|
|
the supply pressure gauge.
|
|
|
None of the above.
|
9.
The stop light switch:
|
turns on the brake lights when you put on the air brakes.
|
|
|
should be used to fend off tailgaters.
|
|
|
warns you when the air supply pressure drops below 55 psi.
|
|
|
tells you when you need to use your parking brake instead of the service brake.
|
10.
You should drain the air tanks completely. If water and oil collect in the air tanks:
|
your brakes could fail.
|
|
|
your brakes could become hard to press.
|
|
|
your brakes could heat up.
|
|
|
None of the above.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More