CONNECTICUT CDL AIR BRAKES PRACTICE TEST
21.
You hear a loud "bang" which sounds like a tire blowout. You should:
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assume you
have a tire failure.
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inspect your tires with your mirrors.
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check the tires at the next stop.
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keep driving as normal.
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22.
Antilock brakes:
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decrease your stopping distance.
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let you drive faster.
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help you stop faster.
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None of the above.
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23.
How do you check that spring brakes come on automatically?
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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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On a tractor-trailer combination vehicle, continue to step on and off the brake pedal until the tractor protection valve and the parking brake valve close.
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On single vehicles, continue to step on and off the brake pedal until the parking brake valve pops out.
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All of the above.
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24.
Slack adjusters:
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should move more than one inch where the push rods attach to them.
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regulate the distance that the air brake has to travel to apply friction to the wheel.
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are available in four types: manual, automatic, robotic and analog.
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regulate the distance between the rear wheels.
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25.
Why must air tanks be drained?
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The water can freeze in cold weather and cause brake failure.
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Your transmission fluid may drain out.
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There might not be enough antifreeze in the system.
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The alcohol evaporator might stop working.
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