USCG USCG General Eng
Set 14 • Question #168 of 498
Launch Interactive Practice Room Which of the problems listed could be indicated if a sight glass in the refrigerant liquid line is full of bubbles?
A
Proper refrigerant charge
B
Faulty expansion valve
C
Insufficient refrigerant
✓ Correct Answer
D
Solenoid valve stuck
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Which of the problems listed could be indicated if a sight glass in the refrigerant liquid line is full of bubbles', the standard operating requirement is: 'Insufficient refrigerant'.
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