Q
64. If you do not have automatic tank drains, how often should you drain the oil and water from the bottom of compressed air storage tanks?
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AAfter every four hours of service.
BAt the end of each day of driving.
COnce a week.
Detailed Explanation
The correct answer is "At the end of each day of driving.". This is based on federal CDL regulations and safety standards.
Correct Answer: At the end of each day of driving.
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