The valve disc on a safety valve is held firmly on its seat by the pressure of the?
A. Ports
B. Blowdown ring
C. Spring
D. Cap
E. Lock nut
Answer: C
The valve disc on a safety valve is held firmly on its seat by the pressure of the?
A. Ports
B. Blowdown ring
C. Spring
D. Cap
E. Lock nut
Answer: C