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Engine: Retired questions · Refrigeration AC

Question 488 of 134

Retired question: the Coast Guard no longer draws it on exams. Practice the current Refrigeration AC module instead.

The coil temperature measured at the expansion valve sensing bulb of an operating system is 10°F. The low side pressure with the compressor running as shown on the gauge illustrated indicates 15 psig. What adjustments or changes, if any, should be made to the system? GS-RA-16

USCG illustration GS-RA-16 for Engine Retired questions · Refrigeration AC question 488
Illustration GS-RA-16
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