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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

energy
momentum
None of these
mass

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel of radius (r) containing liquid is revolved about its vertical axis ω rad/s, then depth of parabola which the liquid assumes is

ω.r/4g
ω².r²/4g
ω.r/2g
ω².r²/2g

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Hydraulics and Fluid Mechanics in ME
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called

Pascal’s law
Bernoulli’s theorem
Principle of flotation
Archimedes’s principle

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Hydraulics and Fluid Mechanics in ME
A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is

241.5 r.p.m.
215.5 r.p.m.
175.4 r.p.m.
275.4 r.p.m

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Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

1.71 Cd × L × H3/2
0.384 Cd × L × H3/2
0.384 Cd × L × H1/2
1.71 Cd × L × H1/2

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Hydraulics and Fluid Mechanics in ME
Medium specific speed of a pump implies it is

Centrifugal pump
Any one of the above
Mixed flow pump
Axial flow pump

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