Top 350+ Solved Turbine MCQ Questions Answer
Q. consists of stationary circular wheel all around the runner of turbine
a. Casing
b. Guide mechanism
c. Runner
d. Drafting
Q. The casing of radial flow reaction turbine is made of spiral shape, so that water mayenter the runner
a. Variable acceleration
b. Constant acceleration
c. Variable velocity
d. Constant velocity
Q. allow the water to strike the vanes fixed on runner without shock at inlet
a. Casing
b. Guide vanes
c. Runner
d. Draft tube
Q. The pressure at the exit of runner of reaction turbine is generally than atmospheric pressure
a. Greater
b. Lesser
c. Constant
d. Equal
Q. is a pipe of gradually increasing area used for discharging water from exit of the turbine to the tail race
a. Casing
b. Guide mechanism
c. Draft tube
d. Runner
Q. and of radial flow reaction turbine are always full of water.
a. Casing and runner
b. Casing and penstocks
c. Runner and penstocks
d. Runner and draft tube
Q. governs the flow of water entering the runner blades.
a. Casing
b. Guide vanes
c. Draft tube
d. Runner
Q. Inward radial flow reaction turbine is a turbine in which water flows across the blades of runner_
a. Radial direction
b. Radially inward
c. Radially outward
d. Axial direction
Q. Which of following is inward radial flow reaction turbine?
a. Pelton wheel
b. Francis turbine
c. Axial turbine
d. Kaplan turbine
Q. In Inward radial flow reaction turbine which is not required?
a. Runner
b. Air tight casing
c. Guide vanes
d. Breaking jet
Q. The main difference between reaction turbine and inward radial flow reaction turbine iswater flows
a. Radial direction
b. Radially inward
c. Radially outward
d. Axial direction
Q. In Inward 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 Inward radial flow reaction turbine the ratio of tangential velocity at inlet to the given velocity
a. Speed ratio
b. Flow ratio
c. Discharge
d. Radial discharge
Q. In Inward radial flow reaction turbine if angle made by absolute velocity with its tangent is 90 degrees and component of whirl is zero at outlet is
a. Radial inlet discharge
b. Radial outlet discharge
c. Flow ratio
d. Speed ratio