PUMPS 41-50

Question 1

Which of the following pumps is NOT suitable for
handling volatile liquids?
a) Centrifugal pump
b) Diaphragm pump
c) Gear pump
d) Submersible pump

Answer 1

a) Centrifugal pump

Question 2

What is the purpose of a pump casing?
a) To support the impeller
b) To increase pressure
c) To prevent leakage
d) To direct fluid flow

Answer 2

d) To direct fluid flow

Question 3

Which factor does NOT affect the efficiency of a
pump?
a) Fluid viscosity
b) Pump speed
c) Impeller diameter
d) Ambient temperature

Answer 3

d) Ambient temperature

Question 4

Which of the following pumps is typically used for
high-pressure applications?
a) Centrifugal pump
b) Diaphragm pump
c) Reciprocating pump
d) Axial flow pump

Answer 4

c) Reciprocating pump

Question 5

What is the primary disadvantage of using a
peristaltic pump?
a) Limited flow rate
b) High maintenance requirements
c) Inability to handle abrasive fluids
d) Susceptibility to cavitation

Answer 5

a) Limited flow rate

Question 6

Which factor does NOT affect the suction lift
capability of a pump?
a) Pump speed
b) Fluid density
c) Atmospheric pressure
d) Impeller diameter

Answer 6

d) Impeller diameter

Question 7

What is the purpose of a pump priming system?
a) To increase flow rate
b) To reduce cavitation
c) To remove air from the pump casing
d) To regulate pressure

Answer 7

c) To remove air from the pump casing

Question 8

Which of the following pumps is typically used for
dosing chemicals in industrial processes?
a) Centrifugal pump
b) Diaphragm pump
c) Gear pump
d) Peristaltic pump

Answer 8

d) Peristaltic pump

Question 9

What is the term for the maximum flow rate a pump
can deliver?
a) Discharge pressure
b) Flow capacity
c) Pump head
d) Pump efficiency

Answer 9

b) Flow capacity

Question 10

Which type of pump is commonly used in oil
refineries for transferring fluids between process
units?
a) Centrifugal pump
b) Diaphragm pump
c) Reciprocating pump
d) Screw pump

Answer 10

d) Screw pump