Hydraulics and Fluid Mechanics in ME
The undershot water wheels are those in which

None of these
The wheel runs entirely by the weight of water
The wheel runs partly by the weight of water and partly by the impulse of water
The wheel runs entirely by the impulse of water

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

Work-done per kN of water Losses within the impeller
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
All of these
Energy per kN at outlet of impeller Energy per kN at inlet of impeller

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