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Class B CDL Practice Test #2
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Question #1 of 66

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What can be done to help prevent oil and water from building up in the air tanks?


Avoid using the brakes in humid weather.

Perform an air brake pump down test 3 times a day.

Keep light pressure on the brakes when driving through water.

Use an alcohol evaporator.

All of the above.

None of the above.

 

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