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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The speed of sound in a ideal gas varies directly as its

modulus of elasticity
absolute temperature
density
temperature

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Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of pressure
center of buoyancy
center of gravity
water surface

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?

Pelton wheel
Kaplan turbine
Francis turbine
None of these

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

Directly proportional
Inversely proportional
Equal
None of these

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Hydraulics and Fluid Mechanics in ME
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

Five to six times
Equal to
Three to four times
Double

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Hydraulics and Fluid Mechanics in ME
The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)

2g × √H
√(2gh)
2gH
H × √(2g)

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