Which of the illustrated valves is used to gain access to a hermetic system not fitted with service valves or access fittings by means of piercing the refrigeration system tubing? See illustration GS-RA-69.
A
A
B
B
C
C
D
D
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Question 1 / 205eccef9dbacbc34ba4d460a9
Question 1 of 205eccef9dbacbc34ba4d460a9
Which of the illustrated valves is used to gain access to a hermetic system not fitted with service valves or access fittings by means of piercing the refrigeration system tubing? See illustration GS-RA-69.
Which of the illustrated valves is used to gain access to a hermetic system not fitted with service valves or access fittings by means of piercing the refrigeration system tubing? See illustration GS-RA-69.