AIR BRAKES CDL PRACTICE TEST - UTAH
6.
To make the brakes work, air brakes use:
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carbon monoxide.
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hydraulic air.
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compressed air.
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nitrogen.
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7.
You must take the CDL skills tests in the type of vehicle for which you wish to be licensed. If your test vehicle does not have air brakes:
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you'll have to immediately retake your test using another vehicle.
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you won't receive a CDL.
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you will be restricted to driving vehicles without air brakes.
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you'll need to take another knowledge test about air brakes.
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8.
Excessive use of the service brakes results in overheating. Too much heat can:
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cause the brakes to squeak.
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make the brakes stop working.
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cause the brakes apply unevenly.
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cause the brakes to grab.
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9.
The ______ puts alcohol into the air system.
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alcohol storage tank
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alcohol evaporator
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alcohol tank drains
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air tank drains
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10.
Air tanks must be drained completely to:
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pump water and compressor oil into the tanks.
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remove all moisture and oil.
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put alcohol into the air system.
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remove all the air.
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