AIR BRAKES CDL PRACTICE TEST - INDIANA
11.
Tar in the road pavement rising to the road surface in very hot weather:
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is very sticky and will slow down your vehicle.
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does not affect the road surface or driving conditions.
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causes the road to become very slippery.
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might get in your engine.
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12.
A broken exhaust system:
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does not cause problems.
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poses no threat to the driver.
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can let poisonous carbon monoxide to leak into the cab.
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can improve fuel efficiency.
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13.
The air brake lag distance at 55 mph on dry pavement adds about:
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32 feet.
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16 feet.
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60 feet.
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75 feet.
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14.
The one-way check valve:
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keeps air from going out if the air compressor develops a leak.
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keeps the axles in place.
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keeps your wheels from locking up when you brake hard.
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supplies air to the trailer air tanks.
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15.
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'll need to take another knowledge test about air brakes.
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you won't receive a CDL.
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you'll have to immediately retake your test using another vehicle.
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you will be restricted to driving vehicles without air brakes.
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