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Class A CDL Practice Test #1










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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.



Class A Commercial Driver’s License

You will need a “Class A” commercial driver’s license if you plan to drive any combination of vehicles which have a gross combination weight rating or gross combination weight of 26,001 pounds or more, whichever is greater, including a possible towed unit or units with a gross vehicle weight rating or gross vehicle weight of more than 10,000 pounds, whichever is greater.

Source: Federal Motor Carrier Safety Administration.


 

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