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Hydraulics and Fluid Mechanics in ME

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

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

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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
ω.r/2g
ω².r²/2g
ω².r²/4g

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Hydraulics and Fluid Mechanics in ME
Which of the following is not a reaction turbine?

Fourneyron turbine
Pelton wheel
Journal turbine
Thomson's turbine

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid __________ as the pressure increases.

Decreases
Remain same
Increases
None of these

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

both of die above
any one of the 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
The most efficient section of a channel is

Triangular
Trapezoidal
Rectangular
Square

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