ALASKA CDL AIR BRAKES PRACTICE TEST
6.
The heavier the vehicle:
|
the more work the brakes must do to stop it.
|
|
|
the higher the center of gravity will be.
|
|
|
the less work the brakes must do to stop it.
|
7.
Why must air tanks be drained?
|
There might not be enough antifreeze in the system.
|
|
|
The alcohol evaporator might stop working.
|
|
|
The water can freeze in cold weather and cause brake failure.
|
8.
Air tanks must be drained completely to:
|
pump water and compressor oil into the tanks.
|
|
|
remove all the air.
|
|
|
remove all moisture and oil.
|
9.
Why should you check your mirrors regularly to know where other vehicles are around you?
|
To know whether you can make a quick lane change in an emergency.
|
|
|
To flash the brake lights if you are being tailgated.
|
|
|
To move out of their way if they want to get past.
|
10.
Air brakes are 3 different braking systems: service brake, parking brake, and _______ brake.
|
S-cam
|
|
|
emergency
|
|
|
foot
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More