Top 350+ Solved Turbine MCQ Questions Answer
Q. What is primary objective of steam turbine governing?
a. Maintain constant speed
b. Maintain constant pressure
c. Maintain constant temperature
d. Maintain constant expansion
Q. What is the purpose of a steam turbine governing?
a. Controls speed
b. Controls flow rate
c. Controls volume
d. Controls discharge
Q. The advantage of nozzle governing is that no regulating pressure is applied.
a. True
b. False
c. none
d. none
Q. During the steam turbine governing, what remains a constant?
a. Speed of rotation
b. Flow rate
c. Pump head
d. Volume of fluid
Q. 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
Q. When bypass valve is opened to
a. Increase Pressure
b. Increase Unit speed
c. Increase Unit power
d. Increase the amount of fresh steam
Q. With the increase in load, Energy in the turbine
a. Decreases
b. Increases
c. Remains same
d. Independent
Q. 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
Q. When the balancing of the turbine is disturbed, we use
a. Throttle governing
b. Steam governing
c. Nozzle governing
d. Emergency governing
Q. The flow rate of steam is controlled by regulating the_
a. Steam
b. Pressure
c. Temperature
d. Speed
Q. Principle of fluid mechanics works on the utilization of
a. Accelerating mass
b. Volume
c. Work
d. Velocity
Q. The force analysis on a curved vane is understood using
a. Velocity triangles
b. Angle of the plate
c. Vane angles
d. Plate dimensions