Engine Refrigeration (Supplementary) USCG Question #130 (Set 3)

Which of the lettered components shown in the illustration indicates the high pressure cutout? GS-RA-12 Illustration GS-RA-12: the U.S. Coast Guard has not released this illustration.

Official USCG Answer & Rule Citation

Correct Answer: Option B — X

Component "X" represents the high-pressure cutout switch, a critical safety device designed to stop the compressor motor immediately if discharge pressures exceed maximum allowable working pressure limits.

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