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Air Brake Practice Test 1

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Question #1 of 43

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Why do air tanks need to be drained?


Air tanks should never be drained.

They need to be drained to keep oil and water from building up in the tank.

They need to be drained to keep oil and toxic gas from building up in the tank.

They need to be drained to keep the tanks cool while not in use.

All of the above.

None of the above.




 

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