FLUID MECHANICS MCQS SET 09

FLUID MECHANICS MCQS SET 09

1. Which among the following control the flow rate?
a) Valve
b) Pump
c) Head
d) Tank pipe
 
Answer: a

2. The advantage of nozzle governing is that no regulating pressure is applied.
a) True
b) False
 
Answer: a

3. The inlet passage of water entry is controlled by ________
a) Head race
b) Gate
c) Tail race
d) Pump
 
Answer: b

4. When do we apply by pass governing?
a) When turbine is overloaded
b) When Unit speed decreases
c) When Unit power increases
d) When Unit pressure decreases
 
Answer: a

5. When bypass valve is opened to _______
a) Increase Pressure
b) Increase Unit speed
c) Increase Unit power
d) Increase the amount of fresh steam
 
Answer: d

6. What is the unit of steam rate?
a) kg
b) kg/m
c) kg/kWh
d) N/m
 
Answer: c

7. With the increase in load, Energy in the turbine ________
a) Decreases
b) Increases
c) Remains same
d) Independent
 
Answer: a

8. Combination governing involves usage of two or more governing.
a) True
b) False
 
Answer: a

9. When the mechanical speed of the shaft increases beyond 110 percent, we use _________
a) Throttle governing
b) Steam governing
c) Nozzle governing
d) Emergency governing
 
Answer: d

10. When the balancing of the turbine is disturbed, we use ________
a) Throttle governing
b) Steam governing
c) Nozzle governing
d) Emergency governing
 
Answer: d