Question 33General Subjects - Assistant Engineer
70% to passHow 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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