A vertical safety valve with a 2-inch diameter disk has a compressed spring applying 2,400 lbf to the top of the valve disk in opposition to system pressure ____

A vertical safety valve with a 2-inch diameter disk has a compressed spring applying 2,400 lbf to the top of the valve disk in opposition to system pressure.

Which one of the following is the approximate system pressure at which the safety valve will open?

A. 95 psig
B. 191 psig
C. 382 psig
D. 764 psig

Show Answer

Answer: D

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