Michigan CDL Air Brakes Practice Questions - Michigan CDL Air Brakes Knowledge Test Exam

For Michigan CDL air-brake testing, you should drain the air tanks at the end of each working day to:

Save fuel Remove water and oil that collect in the tanks, which can freeze in cold weather and contaminate brake parts Reset the governor Activate the air dryer

Correct Answer:

Remove water and oil that collect in the tanks, which can freeze in cold weather and contaminate brake parts

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