USCG USCG General Eng
Set 17 • Question #243 of 498
Launch Interactive Practice Room If a refrigeration compressor crankcase is sweating, the trouble could be caused by __________.
A
excessive superheat
B
a minor amount of air in the system
C
normal oil circulation with the refrigerant
D
the expansion valve being stuck in the open position
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'If a refrigeration compressor crankcase is sweating, the trouble could be caused by', the standard operating requirement is: 'the expansion valve being stuck in the open position'.
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