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