[Solved] Which of the following efficiencies for Francis Turbine is described as the ratio between total quantity of water over runner blades to total quantity of water supplied to turbine?

Q.	Which of the following efficiencies for Francis Turbine is described as the ratio between total quantity of water over runner blades to total quantity of water supplied to turbine?
A.	Hydraulic efficiency
B.	Volumetric efficiency
C.	Mechanical efficiency
D.	Overall efficiency
Answer» B. Volumetric efficiency

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