AIR BRAKES PRACTICE TEST - OHIO
21.
The air compressor is connected to:
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the engine.
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the radiator.
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the transmission.
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22.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
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for one stop
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for one day
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several times
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23.
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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24.
Most heavy-duty vehicles use:
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hydraulic brakes.
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solid brakes.
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air brakes.
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25.
The s-cam:
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pulls the brake shoes away from the drum.
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helps ensure that air flows to all trailers.
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forces the brake shoes away from one another and presses them against the inside of the brake drum.
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