Fluid Mechanics
Foot valves are provided in the suction line of a centrifugal pump to

Minimise the fluctuation in discharge
Control the liquid discharge
Avoid priming, every time we start the pump
Remove the contaminant present in the liquid

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Fluid Mechanics
Select the wrong statement pertaining to flow of an incompressible fluid through a venturimeter.

Venturimeter occupies less space than an orificemeter
Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter
For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that leaving the venturimeter
Venturimeter incurs less power loss compared to an equivalent orificemeter

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