Hydraulics and Fluid Mechanics in ME
Capillary action is due to the

All of the listed here
Adhesion of the liquid molecules and the molecules on the surface of a solid
Cohesion of the liquid
Surface tension

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Hydraulics and Fluid Mechanics in ME
Slip of a reciprocating pump is defined as the

Ratio of actual discharge to the theoretical discharge
Product of theoretical discharge and the actual discharge
Difference of theoretical discharge and the actual discharge
Sum of actual discharge and the theoretical discharge

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Hydraulics and Fluid Mechanics in ME
The hydraulic efficiency of a reaction turbine, is the ratio of

Work-done on the wheel to the energy (or head of water) actually supplied to the turbine
Power produced by the turbine to the energy actually supplied by the turbine
Actual work available at the turbine to energy imparted to the wheel
None of these

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

All of these
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

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