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

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

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Hydraulics and Fluid Mechanics in ME
If a vessel containing liquid moves downward with a constant acceleration equal to ā€˜gā€™ then

None of these
the pressure in the liquid mass is greater than hydrostatic pressure
the pressure throughout the liquid mass is atmospheric
there will be vacuum in the liquid

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