ID CDL AIR BRAKES PRACTICE TEST
16.
The air brake lag distance at 55 mph on dry pavement adds about:
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32 feet.
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75 feet.
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60 feet.
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17.
ABS malfunction lamps are located:
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on the instrument panel.
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under the hood.
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on the driver'door.
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18.
Distracted driving may be caused by _________ while driving.
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maintaining constant speed
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eating
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listening to music
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19.
You supply air to the trailer brake system by:
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plugging the electrical cord into the trailer.
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connecting the tractor service air line to the trailer service glad hand.
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pushing in the trailer air supply knob.
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20.
In vehicles with air brakes, the air compressor governor:
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controls when the air compressor will pump air into the air storage tanks.
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controls how much air the air compressor will pump into the air storage tanks.
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controls when the air storage tanks will pump air into the air compressor.
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