CDL AIR BRAKES PRACTICE TEST - ALASKA
21.
When should you be particularly careful about high winds?
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When emerging from a tunnel
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When going downhill
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When driving at night
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22.
You are driving a vehicle with air brakes when the low air pressure warning light and buzzer come on. You should:
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pull off the road and stop immediately.
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slow down and test your brakes.
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activate your hazard lights and drive to the nearest place where you can stop.
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23.
Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
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greater; more
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less; more
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greater; less
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24.
In vehicles with air brakes, water and compressor oil in the bottom of the air tank:
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should not be removed.
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should be added regularly.
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should be drained completely.
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25.
When backing, you should:
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use the mirrors on both sides.
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only use mirror on the driver's side.
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back quickly.
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