Top 350+ Solved Turbine MCQ Questions Answer
Q. In an inward flow reaction turbine the discharge
a. Increases
b. Decreases
c. Same
d. Independent
Q. In impulse turbines with moving blades, there is no in blades of the turbine.
a. Pressure change
b. Same pressure
c. Volumetric change
d. Pressure independent
Q. In impulse turbines with stationary blades, there is in blades of the turbine.
a. Pressure change
b. Same pressure
c. Volumetric change
d. Pressure independent
Q. In an outward flow reaction turbine the discharge
a. Increases
b. Decreases
c. Same
d. Independent
Q. Before reaching the turbine, the acceleration of the fluid takes place through the
a. Vane angle
b. Nozzle
c. Pump
d. Pipe
Q. The Pelton wheel extracts energy from
a. Vane angle
b. Moving fluid
c. Increase in temperature
d. Heat rejection
Q. The outward radial flow reaction turbine is a turbine in which direction of water flow is
a. Radial direction
b. Radially inward
c. Radially outward
d. Axial direction
Q. The energy available at inlet for outward reaction flow turbine is
a. Potential
b. Kinetic energy
c. Pressure energy
d. Pressure energy and Kinetic energy
Q. Centrifugal head in Outward flow reaction turbine
a. Increases
b. Decreases
c. Remains constant
d. Gradually decreases
Q. Discharge in outward flow reaction turbine
a. Increases
b. Decreases
c. Remains constant
d. Gradually decreases
Q. Speed control of Outward flow reaction turbine is
a. Easy
b. Moderate
c. Difficult
d. Very difficult
Q. Tendency of wheel to race is predominant in turbine
a. Inward flow reaction turbine
b. Outward flow reaction turbine
c. Impulse turbine
d. Axial flow turbine
Q. Outward flow reaction turbine will quite suitable for_
a. High head
b. Medium head
c. Low head
d. Static head
Q. In outward flow reaction turbine tangential velocity at inlet is always_ than outlet velocity.
a. Equal
b. Less
c. More
d. Constant
Q. In outward radial flow reaction turbine if angle made by absolute velocity with its tangent is 90 degrees and component of whirl is zero at inlet is
a. Radial inlet discharge
b. Radial outlet discharge
c. Flow ratio
d. Speed ratio