Q.

Which of the following statements is correct: Runaway speed of a hydraulic turbine is the speed

A. At which there would be no damage to the turbine runner
B. At which the turbine runner can be allowed to run freely without load and with wicket gates wide open
C. Corresponding to maximum overload permissible
D. At full load.
Answer» B. At which the turbine runner can be allowed to run freely without load and with wicket gates wide open
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