AIR BRAKES PRACTICE TEST - MASSACHUSETTS

16. When you apply the brakes, the brake shoes and linings are pushed against:
the air compressor.
slack adjusters.
the inside of the brake drum.
the s-cam.
17. If your trailer starts to skid, you should:
accelerate slightly.
use the trailer hand brake (if you have one) to straighten out the rig.
keep the rear of your vehicle close to the curb.
release the brakes to get traction back.
18. When you use your mirrors while driving on the road, you should:
avoid checking them regularly.
check them quickly.
stare for a long time at the mirror.
only use the driver's side mirror.
19. The heavier the vehicle:
the higher the center of gravity will be.
the less work the brakes must do to stop it.
the more work the brakes must do to stop it.
None of the above.
20. Which of the following is NOT a warning sign of fatigue?
Driving at the speed of the traffic
Frequent blinking
Trouble remembering the last few miles driven
Heavy eyelids
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