General Principles in the Working of Pumps NDA Questions

NDA Physics

General Principles in the Working of Pumps MCQ Questions


13.
The term "head" in pump terminology refers to
A.
The pump's height
B.
The distance a pump can lift fluid
C.
The diameter of the impeller
D.
The power rating of the pump
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ANSWER :
B. The distance a pump can lift fluid
14.
Which of the following pumps is commonly used for sewage and sludge?
A.
Centrifugal pump
B.
Peristaltic pump
C.
Diaphragm pump
D.
Screw pump
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ANSWER :
D. Screw pump
15.
Which of the following is a common application for gear pumps?
A.
Water distribution
B.
Hydraulic Fluid pumping
C.
Gas transfer
D.
Milk processing
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ANSWER :
B. Hydraulic Fluid pumping
16.
A pump curve is used to
A.
Display the relationship between flow rate and pressure
B.
Show the efficiency of different pump models
C.
Measure the pump's physical size
D.
Indicate the pump's power consumption
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ANSWER :
A. Display the relationship between flow rate and pressure
17.
What is the primary purpose of the mechanical seal in a pump?
A.
Increase pressure
B.
Prevent leakage
C.
Measure flow rate
D.
Control fluid temperature
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ANSWER :
B. Prevent leakage
18.
A pump used to move fluids from one process to another without direct contact with the fluid is called a
A.
Submersible pump
B.
Magnetic drive pump
C.
Peristaltic pump
D.
Jet pump
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ANSWER :
B. Magnetic drive pump