USCG USCG General Eng
Set 11 • Question #72 of 498
Launch Interactive Practice Room Coast Guard Regulations (46 CFR) require a method for the relief of an overpressurized refrigeration system. Which of the following statements complies with these regulations?
A
The relief valve from the receiver must relieve to the condenser first.
B
The relief valve settings shall be 1 1/4 times the maximum allowable working pressure.
C
A rupture disk may be fitted in series with the relief valve.
✓ Correct Answer
D
The rupture disk shall burst at a pressure not higher than 10% above the relief valve setting.
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Coast Guard Regulations (46 CFR) require a method for the relief of an overpressurized refrigeration system. Which of the following statements complies with these regulations', the standard operating requirement is: 'A rupture disk may be fitted in series with the relief valve.'.
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