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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Hydraulics and Fluid Mechanics in ME
The conditions for the stable equilibrium of a floating body are

all the above are correct
the center of buoyancy and the center of gravity must lie on the same vertical line
the meta-center should lie above the center of gravity
a righting couple should be formed

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