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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.

Viscous
Compressible
Incompressible
None of these

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

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

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Hydraulics and Fluid Mechanics in ME
Which of the following velocity potentials satisfies continuity equation ?

x2 + y2
cosx
x2-y2
x2y

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Hydraulics and Fluid Mechanics in ME
A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

Coincides with its centre of gravity
Lies above its centre of gravity
Lies between the centre of buoyancy and centre of gravity
Lies below its centre of gravity

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

non-uniform flow
turbulent flow
steady flow
laminar flow

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of

None of these
An ellipse
A paraboloid
A triangle

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