WEST VIRGINIA CDL AIR BRAKES PRACTICE TEST
11.
Which of the following is a reason why air tanks must be drained?
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The governor may stop the compressor from pumping air.
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Your transmission fluid may drain out.
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Your battery fluid may drain out.
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Your brakes may fail due to the water freezing.
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12.
When you push the brake pedal down, air brakes work:
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immediately.
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only when ABS is working.
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after about 15 seconds.
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after a short delay.
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13.
Empty trucks:
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are higher than loaded trucks.
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require greater stopping distances.
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have less traction.
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All of the above.
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14.
When coupling, you should:
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make sure the trailer wheels are not chocked.
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be aware that wrong coupling and uncoupling can be very dangerous.
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make sure the sliding fifth-wheel is locked.
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make sure the trailer kingpin is bent.
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15.
When driving in a construction zone, if a construction worker is near the road, you should:
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further reduce your speed.
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maintain a constant speed.
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speed up.
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come to a complete stop.
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