CDL AIR BRAKES PRACTICE TEST - MONTANA

21. Slack adjusters:
are used to adjust the brakes on an air-brake system.
regulate the distance that the air brake has to travel to apply friction to the wheel.
are the linkage between the operating rod in the brake chamber and drum brakes or disk brakes in an air brake system.
All of the above.
22. Your mirrors should be adjusted so that:
no part of the vehicle is visible in the mirror.
more than half of the mirror shows the vehicle.
the rear of the vehicle is visible in the mirror.
a part of the vehicle is visible in the mirror.
23. A driver distraction is anything that takes your attention away from driving, such as:
pedestrians.
billboards.
adjusting the radio.
All of the above.
24. If you are being tailgated, you should:
try to let the other vehicle pass.
drive on the shoulder.
speed up.
turn on your taillights.
25. On any upgrade, gravity:
doesn't affect your speed.
speed you up.
slows you down.
doubles your speed.
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