Runaway speed of a hydraulic turbine is________?

559Mechanical EngineeringMedium

Afull load speed

Bthe speed corresponding to maximum overload permissible

Cnone of the above.

Dthe speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open

Ethe speed at which turbine runner will be damaged

Correct answer

D. the speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open

Explanation

The correct answer is the speed if the turbine runner is allowed to revolve freely without load and with the wicket gates wide open.

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