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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as

center of pressure
center of gravity
metacentre
center of buoyancy

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Hydraulics and Fluid Mechanics in ME
The impeller of a centrifugal pump may have

Volute casing with guide blades
Any one of these
Vortex casing
Volute casing

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Hydraulics and Fluid Mechanics in ME
Falling drops of water become spheres due to the property of

adhesion
surface tension
viscosity
cohesion

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Hydraulics and Fluid Mechanics in ME
The fluid forces considered in the Navier Stokes equation are

gravity, pressure and viscous
gravity, viscous and turbulent
pressure, viscous and turbulent
gravity, pressure and turbulent

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Hydraulics and Fluid Mechanics in ME
Center of buoyancy is the

e.g. of floating body
center of pressure of displaced volume
centroid of the displaced volume of fluid
does not exist

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Hydraulics and Fluid Mechanics in ME
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

1000 kg
1500 kg
2000 kg
500 kg

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