CDL AIR BRAKES PRACTICE TEST - TEXAS
16.
When confronted by an aggressive driver, you should:
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make every attempt to get out of their way.
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call the police, if you have a cell phone and can do it safely.
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avoid eye contact.
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All of the above.
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17.
The low air pressure warning light is usually:
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yellow.
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red.
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blue.
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orange.
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18.
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 drained completely.
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should be added regularly.
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None of the above.
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19.
To make the brakes work, air brakes use:
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hydraulic air.
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carbon monoxide.
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nitrogen.
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compressed air.
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20.
The trailer hand valve should:
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never be used to test the trailer brakes.
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never be used for parking.
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be used in driving.
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All of the above.
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