When a reciprocating pump delivers fluid every second stroke of its piston, it is called a ___________ pump:
a. Positive displacement
b. Single acting
c. Two-stage
d. Double acting
e. Duplex
Answer: b
When a reciprocating pump delivers fluid every second stroke of its piston, it is called a ___________ pump:
a. Positive displacement
b. Single acting
c. Two-stage
d. Double acting
e. Duplex
Answer: b