The valve packing of control valves is used ____
A. to prevent the fluid from escaping
B. to control the force generated by actuators
C. to control different parameters of the fluid
D. to control the direction of flow
Answer:A
The valve packing of control valves is used ____
A. to prevent the fluid from escaping B. to control the force generated by actuators C. to control different parameters of the fluid D. to control the direction of flow