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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The optimum value of vane exit angle for a centrifugal pump impeller is

10-15°
50-60°
30-40°
20-25°

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Hydraulics and Fluid Mechanics in ME
Water is _________ liquid.

Both A and B
None of these
An incompressible
A compressible

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Hydraulics and Fluid Mechanics in ME
The centre of gravity of the volume of the liquid displaced is called

Metacentre
Centre of pressure
Centre of buoyancy
None of the listed here

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Hydraulics and Fluid Mechanics in ME
The sheet of water flowing over a notch or a weir is known as

None of these
Orifice
Sill or crest
Nappe or vein

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Hydraulics and Fluid Mechanics in ME
Head developed by a centrifugal pump depends on

Impeller diameter
Speed
Both (A) and (B) above
Fluid density

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Hydraulics and Fluid Mechanics in ME
The viscosity of a liquid __________ its rate of flow through a hole in a vessel.

None of these
Effects
Does not effect
Both A and B

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