WASHINGTON CDL AIR BRAKES PRACTICE TEST
11.
If you're feeling tired while driving you should:
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drink coffee.
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eat something.
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stop driving and get some rest.
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12.
With the air pressure built up to governor cutoff, the maximum leakage rates per minute are ___ psi for single vehicles and ___ psi for a combination of 2 vehicles.
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3; 2
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5; 6
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3; 4
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13.
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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no 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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14.
While driving, you should use your mirrors to:
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know where other vehicles are around you.
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check where the rear of your vehicle is while you make turns.
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All of the above.
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15.
Some vehicles have a separate air tank which can be used to:
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hold the vehicle or combination of vehicles stationary.
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turn on the 4-way emergency flashers.
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release the spring brakes.
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