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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the turbines?

Air lift pump
Centrifugal pump
Jet pump
Reciprocating pump

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Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

relative humidity
specific gravity of gases
specific gravity of solids
specific gravity of liquids

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Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

4.171 H5/2
1.417 H5/2
7.141 H5/2
0.417 H5/2

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Hydraulics and Fluid Mechanics in ME
A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy.

Lies below
Coincides with
None of these
Lies above

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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
Nappe or vein
Orifice
Sill or crest

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Hydraulics and Fluid Mechanics in ME
In an isothermal atmosphere, the pressure

increases exponentially with elevation
varies in the same way as the density
remains constant
decreases linearly with elevation

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