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HYDRAULICS AND FLUID MECHANICS IN ME

Hydraulics and Fluid Mechanics in ME
The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s)

waV² / 2g
waV / g
waV / 2g
waV² / g

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Hydraulics and Fluid Mechanics in ME
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.

Less than
More than
Equal to
None of these

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Hydraulics and Fluid Mechanics in ME
Low specific speed of a pump implies it is

None of these
Mixed flow pump
Axial flow pump
Centrifugal pump

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Hydraulics and Fluid Mechanics in ME
Medium specific speed of a pump implies it is

Any one of the above
Axial flow pump
Centrifugal pump
Mixed flow pump

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Hydraulics and Fluid Mechanics in ME
High specific speed of a pump implies it is

Centrifugal pump
Axial flow pump
Mixed flow pump
Any one of the above

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