Hydraulics and Fluid Mechanics in ME
The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is

Medium speed pump with radial flow at outlet
High speed pump with radial flow at outlet
Slow speed pump with radial flow at outlet
High speed pump with axial flow at outlet

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Hydraulics and Fluid Mechanics in ME
Which of the following is an incorrect statement ?

Flow nozzle is cheaper than venturimeter but has higher energy loss
Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined
None of these
Coefficient of contraction of a venturimeter is unity

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

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

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