Refer to the drawing of a typical safety valve. The component indicated by the solid arrow is used when necessary to manually ___

Refer to the drawing of a typical safety valve (see figure below).

The component indicated by the solid arrow is used when necessary to manually…

A. ratchet open the safety valve.
B. pop open the safety valve.
C. gag shut the safety valve.
D. determine the position of the safety valve.

Show Answer

Answer: B

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