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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The Francis formula for the discharge over Cipoletti weir is

1.84 LH5/2
1.84 LH3/2
1.84 LH1/2
1.84 LH

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Hydraulics and Fluid Mechanics in ME
Metacentre is the point of intersection of

buoyant force and the center line of body
mid point between e.g. and center of buoyancy
vertical upward force through e.g. of body and center line of body
All of these

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Hydraulics and Fluid Mechanics in ME
Metacentric height for small values of angle of heel is the distance between the

free surface and centre of buoyancy
centre of buoyancy and metacentre
centre of gravity and metacentre
centre of gravity and centre of buoy-ancy

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Hydraulics and Fluid Mechanics in ME
Delivery head of a centrifugal pump is

Inversely proportional to N²
Inversely proportional to N
Directly proportional to N²
Directly proportional to N

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Hydraulics and Fluid Mechanics in ME
During the opening of a valve in a pipe line, the flow is

Laminar
Uniform
Unsteady
Steady

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Hydraulics and Fluid Mechanics in ME
The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface)

wA
wAx
wx
wA/x

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