Refrigeration & Air Conditioning USCG Question #859 (Set 15)

The set point adjustment of the device shown in the illustration is made by rotating what component? Illustration GS-RA-14 Illustration GS-RA-14: the U.S. Coast Guard has not released this illustration.

Official USCG Answer & Rule Citation

Correct Answer: Option B — "2"

Pressure control set point adjustments are universally executed by rotating the primary range adjustment screw or nut, which alters spring tension opposing the sensing bellows or diaphragm.

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