AIR BRAKES PRACTICE TEST - OHIO
6.
Air tanks must be drained completely to:
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remove all moisture and oil.
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pump water and compressor oil into the tanks.
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remove all the air.
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7.
What factors can cause brakes to fade?
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Slippery surfaces and shaded areas.
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Dirt roads and in unpaved yards.
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Excessive heat and brakes out of adjustment.
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8.
It may not be safe to operate at legal maximum weights:
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during bad weather or in mountains.
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in hot weather.
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on two-way streets.
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9.
To prevent rollover, you should:
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go slowly around turns.
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keep the cargo as close to the ground as possible.
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All of the above.
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10.
Service brakes should:
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be checked before each trip.
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only be checked by a mechanic.
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always be checked before applying the brakes.
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