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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is given by the equation

N√P / H3/2
N√P / H5/4
N√P / H3
N√P / H²

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Hydraulics and Fluid Mechanics in ME
Centrifugal pump is started with its delivery valve

Irrespective of any position
Kept fully closed
Kept fully open
Kept 50% open

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Hydraulics and Fluid Mechanics in ME
The angle of contact in case of a liquid depends upon

any one of the above
both of die above
the material which exists above the free surface of the liquid
the nature of the liquid and the solid

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Hydraulics and Fluid Mechanics in ME
According to Bernoulli's equation

Z + p/w + v²/2g = constant
Z - p/w + v²/2g = constant
Z - p/w - v²/2g = constant
Z + p/w - v²/2g = constant

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Hydraulics and Fluid Mechanics in ME
The body will float if the force of buoyancy is ___ the weight of the liquid displaced.

More than
Less than
None of the listed here
Equal to

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Hydraulics and Fluid Mechanics in ME
Ratio of inertia force to surface Jension is known as

Froude number
Weber’s number
Reynold’s number
Mach number

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