Question 33General Subjects - Assistant Engineer

70% to pass

How often should the air receivers on a compressed air system be drained of moisture and emulsions?

ADaily

BWeekly

CMonthly

DQuarterly

AI Explanation

The correct answer is A) Daily. The air receivers on a compressed air system should be drained of moisture and emulsions on a daily basis. This is a requirement specified in the Code of Federal Regulations (CFR) for the US Coast Guard. Specifically, 46 CFR 62.25-30 states that "Air receivers must be drained of moisture and oil accumulations at least once each day of operation." The daily draining is necessary to prevent the buildup of condensation and contaminants, which can damage the compressed air system and pose safety risks. The other answer choices (weekly, monthly, quarterly) are incorrect because they do not meet the regulatory requirement for daily draining of the air receivers.

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Official Resources

46 CFR Machinery & Electrical 46 CFR Engineering USCG National Maritime Center

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