Engine: Retired questions · Refrigeration AC

Question 430 of 134

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

In a refrigeration system, the valve shown in the illustration is used for what purpose? GS-RA-14

Illustration GS-RA-14: the U.S. Coast Guard has not released this illustration.

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Comments from mariners who studied this question.

Jl Jlfles · Jun 22, 2015

Wrong illustration; this is a pressure gauge not a valve...

Sh Shawn · Jun 26, 2015

Looks like they published this illustration and then removed it. Illustration removed.