Top 350+ Solved Turbine MCQ Questions Answer
Q. In an outward radial flow reaction turbine the ratio of tangential wheel at inlet to given velocity of jet is known as
a. Speed ratio
b. Flow ratio
c. Discharge
d. Radial discharge
Q. In an outward radial flow reaction turbine the ratio of tangential velocity at inlet to the given velocity is
a. Speed ratio
b. Flow ratio
c. Discharge
d. Radial discharge
Q. Discharge in an outward flow reaction turbine
a. Increases
b. Decreases
c. Remains constant
d. Gradually decreases
Q. is ratio of pressure energy change inside runner to total energy change inside runner
a. Degree of reaction
b. Speed ratio
c. Flow ratio
d. Hydraulic efficiency
Q. Degree of reaction for reaction turbine is
a. 1- cot x /2(cot x –cot y )
b. 1+ cot x /2(cot x –cot y )
c. 1- cot x /2(cot x +cot y )
d. 1+ cot x /2(cot x +cot y )
Q. A turbine is a
a. Rotary mechanical device
b. Static pressure drop device
c. Electrical device
d. Static temperature device
Q. Turbine extracts energy from
a. Reaction ratio
b. Pressure ratio
c. Fluid flow
d. Volumetric ratio
Q. Inward flow reaction turbine enter through
a. Outer periphery
b. Blades
c. Inner periphery
d. Pressure angle
Q. Centrifugal flow is imparted when the_
a. Reaction flow is negative
b. Reaction flow is positive
c. Efficiency is 100 percent
d. Reaction rate is negligible