FLUID MECHANICS MCQS SET 19

FLUID MECHANICS MCQS SET 19

1. If we lower the temperature, the water pump cavitation ________
a) Increases
b) Decreases
c) Same
d) Independent
 
Answer: b

2. Which among the following is not a centrifugal pump?
a) Sand pumps
b) Froth pumps
c) Slurry pumps
d) Energy pumps
 
Answer: d

3. Centrifugal pumps work under the same principle, but differ in their _______
a) Working
b) Functions
c) Dimensions
d) Impeller
 
Answer: b

4. If we raise the liquid level in the suction vessel, cavitation ______
a) Increases
b) Decreases
c) Same
d) Independent
 
Answer: b

5. Magnetic coupled pumps are also called as _________
a) Series pumps
b) Parallel pumps
c) Froth pumps
d) Drive pumps
 
Answer: d

6. Magnetic coupled pumps works via ________
a) Antiferromagnet
b) Drive magnet
c) Pump magnet
d) Ferromagnet
 
Answer: b

7. When we change the pump, the cavitation ______
a) Increases
b) Decreases
c) Same
d) Independent
 
Answer: b

8. If we reduce the motor rpm in an impeller, cavitation _______
a) Increases
b) Decreases
c) Same
d) Independent

 

Answer: b

9. Decreasing the diameter of the eye of the impeller, cavitation _________
a) Increases
b) Decreases
c) Same
d) Independent
 

Answer: a

10. No gland is needed for the centrifugal pump.
a) True
b) False
 

Answer: a