AIR BRAKES CDL PRACTICE TEST - MONTANA
21.
If you must make an emergency stop, you should:
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brake in a way that will keep your vehicle in a straight line.
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apply the brakes as hard as you can to lock them.
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use the hand brake before the brake pedal.
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None of the above.
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22.
To check that spring brakes come on automatically, the first thing to do is to:
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continue to step on and off the brake pedal until the air pressure falls to the manufacturer’s specification.
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release the parking brake, move the vehicle forward slowly, and apply the brakes firmly.
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turn off the engine, release the parking brake and time the air pressure drop.
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All of the above.
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23.
If your ABS fails:
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you will still have normal brake functions.
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the first step is to get the vehicle off the road and stop.
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you will have no brake function, and could lose control.
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your tires might grab unexpectedly and you could lose control.
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24.
Antifreeze:
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helps the engine only when the temperature is below freezing.
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helps the engine under hot conditions as well as cold conditions.
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doesn't help the engine in any way.
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helps the engine only under hot conditions.
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25.
The air compressor is connected to:
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the suspension system.
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the transmission.
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the radiator.
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the engine.
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