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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

None of these
Increases
Decreases
Remain same

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Hydraulics and Fluid Mechanics in ME
The magnitude of water hammer depends upon the

All of these
Elastic properties of the liquid flowing through the pipe
Speed at which the valve is closed
Elastic properties of the pipe material

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Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

2100
10000
2700
21000

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Hydraulics and Fluid Mechanics in ME
The property by virtue of which a liquid opposes relative motion between its different layers is called

Surface tension
Osmosis
Coefficient of viscosity
Viscosity

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Hydraulics and Fluid Mechanics in ME
Power required to drive a centrifugal pump is directly proportional to _________ of its impeller.

Fourth power of diameter
Cube of diameter
Square of diameter
Diameter

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

Three
Two
Four
One

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