AIR BRAKES PRACTICE TEST - OREGON
11.
Before starting down a hill, you should slow down and shift down:
|
to a gear that will cause your engine to exceed its redline.
|
|
|
to a speed that you can control without using the brakes hard.
|
|
|
to a gear that will cause your brakes to overheat.
|
|
|
so you can coast downhill.
|
12.
If the low pressure warning signal doesn't work:
|
in dual systems the stopping distance will be decreased.
|
|
|
this could cause sudden emergency braking in a single-circuit air system.
|
|
|
you could lose air pressure and you would know it.
|
|
|
None of the above.
|
13.
The tractor protection valve:
|
provides the air supply for the brake system.
|
|
|
will close if you apply the parking brakes.
|
|
|
will close automatically if the air pressure drops to a certain level.
|
|
|
All of the above.
|
14.
To test the air leakage rate, with a fully-charged air system you should ____________ and time the air pressure drop.
|
turn off the engine, release the parking brake
|
|
|
check the air compressor's drive belt, chock the wheels
|
|
|
put alcohol into the air system, run the engine at a fast idle
|
|
|
release the parking brake, leave the engine running
|
15.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
|
Stopping Distance - (minus) Brake Fade Distance
|
|
|
Partial Stopping Distance
|
|
|
Total Stopping Distance
|
|
|
Total Air Pressure
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More