Hydraulics and Fluid Mechanics in ME
In an inward flow reaction turbine

The water enters at the center of the wheel and then flows towards the outer periphery of the wheel
The water flows parallel to the axis of the wheel
The water enters the wheel at the outer periphery and then flows towards the center of the wheel
The flow of water is partly radial and partly axial

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Hydraulics and Fluid Mechanics in ME
The hydraulic efficiency of an impulse turbine is the

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
None of these
Ratio of the work done on the wheel to the energy of the jet

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Hydraulics and Fluid Mechanics in ME
Manometric head, in case of a centrifugal pump, is equal to

All of these
Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe
Energy per kN at outlet of impeller Energy per kN at inlet of impeller
Work-done per kN of water Losses within the impeller

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