FLUID MECHANICS MCQS SET 12

FLUID MECHANICS MCQS SET 12

1. Change of angular momentum is equal to ________
a) Sum of external moments
b) Sum of their potential energies
c) Sum of their kinetic energies
d) Sum of their pressures
 
Answer: a

2. Euler developed the head pressure equation in centrifugal pumps.
a) True
b) False
 
Answer: a

3. What is a major advantage of centrifugal pump?
a) Cost
b) Simple in construction
c) Efficiency
d) Pump parameters
 
Answer: b

4. ‘Ht’ means _______
a) Tangential head
b) Horizontally head
c) Theory head pressure
d) Radially head pressure
 
Answer: c

5. Centrifugal pumps are used to transport ________
a) Pressure
b) Speed
c) Power
d) Fluid
 
Answer: d

6. Different velocities in a centrifugal pump are determined by using ________
a) Velocity triangle
b) Reynolds number
c) Froude number
d) Overall efficiency
Answer: a

7. Due to its impeller action, centrifugal pumps can cover a wide range of fluid pump applications.
a) True
b) False
 
Answer: a

8. With the increase in the input power, efficiency _______
a) Increases
b) Decreases
c) Same
d) Independent
 
Answer: b

9. What is unit of standard acceleration?
a) kg/m
b) kg/s
c) kg/m3
d) N/m
 
Answer: c

10. What does PSP stand for?
a) Pump start procedure
b) Positive start pump
c) Pump start pointer
d) Positive start pointer
 
Answer: a