What is runaway speed of the runner of Pelton wheel?

What is runaway speed of the runner of Pelton wheel? Correct Answer maximum unsafe speed of the runner due to sudden decrease in load on turbine

The maximum unsafe speed of the runner due to sudden decrease in load on turbine is called runaway speed of the runner of Pelton wheel.

Related Questions

The jet ratio of a Pelton wheel is: [Where, D = Pitch diameter of pelton wheel, d = Jet diameter]