Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine

Ratio of the actual work available at the turbine to the energy imparted to the wheel

Ratio of the work done on the wheel to the energy of the jet

None of the above

One fourth

One half

Three fourth

Double

0.5 to 0.65

0.65 to 0.75

0.75 to 0.85

0.85 to 0.90

Two jets

Two runners

Four jets

Four runners

Double

Three times

Four times

five times