A valve which often contains a dashpot to cushion the action of the valve is the:
a. needle valve
b. swing check valve
c. pressure regulating valve
d. lift check valve
e. safety valve
Answer: D
A valve which often contains a dashpot to cushion the action of the valve is the:
a. needle valve
b. swing check valve
c. pressure regulating valve
d. lift check valve
e. safety valve