FLUID MECHANICS MCQS SET 17

FLUID MECHANICS MCQS SET 17

1. The energy transferred can be measured by isentropic compression.
a) True
b) False
 

Answer: a

2. What does TDH stand for?
a) Total dynamic head
b) Total depth head
c) Tight drum head
d) Target dynamic head
 

Answer: a

3. The mechanical energy is developed by the impeller.
a) True
b) False
 

Answer: a

4. The mechanical energy can be measured by ______
a) Adiabatic expansion
b) Isentropic compression
c) Adiabatic compression
d) Isentropic expansion
 

Answer: b

5. How many impellers does a multistage centrifugal pump have?
a) Zero
b) One
c) Exactly two
d) Two and more
 

Answer: d

6. The energy usage in pumping installation is determined by _______
a) Friction characteristics
b) Pipe diameter
c) Surface tension
d) Thermal expansion
 

Answer: a

7. Which among the following is a friction factor?
a) Newtons factor
b) Darcy’s factor
c) Transfer temperature
d) Heizenberg’s factor
 

Answer: b

8. What is the dimension for Darcy’s friction factor?
a) kg/m
b) N/mm
c) kg
d) Dimensionless
 

Answer: d

9. Formation of bubbles in an impeller is called ______
a) Cavities
b) Defects
c) Friction
d) Heat burn
 

Answer: a

10. Centrifugal pump works by imparting _______
a) Potential energy
b) Kinetic energy
c) Heat energy
d) Electrical energy
 

Answer: b