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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Euler's number
Reynold's number
Froude's number
Mach number

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

Nappe or vein
None of these
Orifice
Sill or crest

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must satisfy

boundary layer theory
continuity equation
Pascal law
Newton’s law of viscosity

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Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q (H - hf)
w × Q × H
w × Q × hf
w × Q (H + hf)

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will

Be fully immersed with top surface at fluid surface
Partly immersed
Float over fluid
Sink to bottom

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water from deep wells?

Centrifugal pump
Jet pump
Air lift pump
Reciprocating pump

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