USCG USCG General Eng
Set 13 • Question #138 of 498
Launch Interactive Practice Room A Moisture in the refrigerant may __________.
A
freeze on the expansion valve seat and reduce the flow of liquid refrigerant
✓ Correct Answer
B
emulsify the oil in the condenser
C
freeze in the king valve
D
clog the oil trap
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'A Moisture in the refrigerant may', the standard operating requirement is: 'freeze on the expansion valve seat and reduce the flow of liquid refrigerant'.
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