Top 350+ Solved Turbine MCQ Questions Answer
Q. Tangential flow, axial flow, radial flow turbines are classified based on?
a. Type of energy at inlet
b. Direction of flow through runner
c. Head at inlet of turbine
d. Specific speed of turbine
Q. High head, low head and medium head turbines are classified based on
a. Type of energy at inlet
b. Direction of flow through runner
c. Head at inlet of turbine
d. Specific speed of turbine
Q. Low specific speed, high specific speed and medium specific speed are classified based on
a. Type of energy at inlet
b. Direction of flow through runner
c. Head at inlet of turbine
d. Specific speed of turbine
Q. If energy available at inlet of turbine is only kinetic energy then it is classified based on
a. Type of energy at inlet
b. Direction of flow through runner
c. Head at inlet of turbine
d. Specific speed of turbine
Q. If water flows in radial direction at inlet of runner and leaves axially at outlet then turbine is named as
a. Tangential flow turbine
b. Axial flow turbine
c. Radial flow turbine
d. Mixed flow turbine
Q. Pelton turbine is operated under
a. Low head and high discharge
b. High head and low discharge
c. Medium head and high discharge
d. Medium head and medium discharge
Q. Kaplan turbine is operated under
a. Low head and high discharge
b. High head and low discharge
c. Medium head and high discharge
d. Medium head and medium discharge
Q. Medium specific speed of turbine implies
a. Pelton turbine
b. Kaplan turbine
c. Francis turbine
d. Propeller turbine
Q. High specific speed of turbine implies that it is_
a. Francis turbine
b. Propeller turbine
c. Pelton turbine
d. Kaplan turbine
Q. Velocity triangles are used to analyze
a. Flow of water along blades of turbine
b. Measure discharge of flow
c. Angle of deflection of jet
d. Flow of water, measure of discharge, angle of deflection.
Q. In which of following turbine inlet and outlet blade velocities of vanes are equal?
a. Francis turbine
b. Kaplan turbine
c. Pelton turbine
d. Propeller turbine
Q. Tangential velocity of blade of Pelton wheel is proportional to
a. Speed of wheel
b. Angular velocity of wheel
c. Rpm of wheel
d. Speed, angular velocity, RPM of the wheel
Q. In which of following turbine inlet whirl velocity and inlet jet velocity are equal in magnitude?
a. Pelton turbine
b. Propeller turbine
c. Kaplan turbine
d. Francis turbine
Q. In Pelton wheel, if outlet velocity angle of jet is “acute angled” then outlet whirl velocity of jet is
a. x- component of V(r2) – blade velocity
b. x- component of V (r2) + blade velocity
c. Blade velocity – x- component of V (r2)
d. Zero
Q. In Pelton wheel, if outlet velocity angle of jet is “obtuseangled” then outlet whirl velocity of jet is
a. x- component of V (r2) – blade velocity
b. x- component of V (r2) + blade velocity
c. Blade velocity – x- component of V (r2)
d. Zero