AIR BRAKES CDL PRACTICE TEST - MICHIGAN
21.
If are being followed closely, you should:
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increase your following distance.
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change lanes quickly.
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decrease your following distance.
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22.
You supply air to the trailer brake system by:
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connecting the tractor service air line to the trailer service glad hand.
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plugging the electrical cord into the trailer.
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pushing in the trailer air supply knob.
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23.
When the air pressure is built up to governor cutoff, the air leakage rate for combination vehicles with the engine off and the foot brake fully applied should be less than_____ in one minute.
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2 psi
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3 psi
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4 psi
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24.
Weight that is loaded so there is a high center of gravity:
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causes greater chance of rollover.
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reduces the chance that the load will shift to the side or fall off.
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makes a vehicle easier to handle.
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25.
If you are being tailgated, you should:
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increase your following distance.
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speed up.
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move to the left lane.
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