WYOMING CDL AIR BRAKES PRACTICE TEST
6.
When backing, you should:
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back quickly.
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back and turn toward the right side whenever possible.
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only use mirror on the driver's side.
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use the mirrors on both sides.
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7.
The air compressor governor:
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controls when the air storage tanks will pump air into the air compressor.
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stops the compressor from pumping air.
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allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
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All of the above.
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8.
Having ABS on only the trailer:
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makes the trailer more likely to roll over.
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is very dangerous.
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still gives you more control over your vehicle during braking.
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makes the trailer more likely to swing out.
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9.
You must take the CDL skills tests in the type of vehicle for which you wish to be licensed. If your test vehicle does not have air brakes:
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you won't receive a CDL.
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you will be restricted to driving vehicles without air brakes.
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you'll need to take another knowledge test about air brakes.
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you'll have to immediately retake your test using another vehicle.
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10.
If your ABS malfunctions:
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you still have normal brake functions.
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the parking brakes will not work.
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you should immediately come to a complete stop.
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the service brake will not work.
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