AK CDL AIR BRAKES PRACTICE TEST
6.
Front brake limiting valves were used to:
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prevent overheating of the front tires.
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reduce your speed so further braking or shifting is not required.
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reduce the chance of the front wheels skidding on slippery surfaces.
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7.
Most hydraulic brake failures occur for one of two reasons, one of which is:
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relying too much on the engine braking effect.
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loss of hydraulic pressure.
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excessive downshifting.
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8.
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 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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9.
Your mirrors should be adjusted so that:
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a part of the vehicle is visible in the mirror.
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the rear of the vehicle is visible in the mirror.
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no part of the vehicle is visible in the mirror.
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10.
To prevent rollover, you should:
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place the cargo near the rear of the trailer.
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put the lightest parts of the cargo under the heaviest parts.
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keep the cargo as close to the ground as possible.
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