Chapter 28

Question 1

A prime purpose of having a pump is to:
a. Create a pressure differential only
b. Develop a static suction pressure
c. Raise a fluid from a lower level to a higher level
d. Transfer fluid from one place to another

Answer 1

D

Question 2

Two classifications of pumps are:
A. Rotary and External Gear
B. Reciprocating and Plunger
C. Dynamic and Positive Displacement
D. Volume and Diffuser

Answer 2

C

Question 3

A sliding vane pump fits into the category:A. Dynamic Mixed Flow
B. Positive Displacement Rotary
C. Dynamic Centrifugal Volute
D. Positive Displacement Lobe

Answer 3

B

Question 4

The vertical linear distance measured from the centerline of the pump down to the surface of the liquid on the suction side of the pump is termed:A. Static suction head
B. Total static suction
C. Dynamic suction lift
D. Static suction lift

Answer 4

D

Question 5

Centrifugal pumps must be placed close to or below the surface of the liquid being pumped because:A. of their inability to produce high lift
B. it makes them less apt to lose their prime
C. it makes them easier to prime
D. it decreases the chance of surging

Answer 5

A

Question 6

A device used in a centrifugal pump to make the conversion from kinetic energy (velocity) to potential energy (pressure) more effective is the:A. impeller
B. volute
C. waring
D. diffuser

Answer 6

D