[Solved] Power developed by Francis turbine are calculated for a certain set of conditions. Now, the inlet whirl velocity is doubled, the blade velocity at inlet is doubled and the flow velocity is quartered. The power developed:

Q.	Power developed by Francis turbine are calculated for a certain set of conditions. Now, the inlet whirl velocity is doubled, the blade velocity at inlet is doubled and the flow velocity is quartered. The power developed:
A.	Is 4 times the original value
B.	Is 2 times the original value
C.	Is ½ times the original value
D.	Is same as the original value
Answer» D. Is same as the original value

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