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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The Francis formula for the discharge over Cipoletti weir is

1.84 LH1/2
1.84 LH3/2
1.84 LH
1.84 LH5/2

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Hydraulics and Fluid Mechanics in ME
A water tank contains 1.3 m deep water. The pressure exerted by the water per metre length of the tank is

28.9 kN
9.28 kN
8.29 kN
2.89 kN

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Hydraulics and Fluid Mechanics in ME
Reaction turbines are used for

Low head
High head and low discharge
Low head and high discharge
High head

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

any one of the above
the material which exists above the free surface of the liquid
the nature of the liquid and the solid
both of die above

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Hydraulics and Fluid Mechanics in ME
According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.

Equal to
None of these
Inversely proportional
Directly proportional

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Hydraulics and Fluid Mechanics in ME
When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

1.84(L - 0.1nH)H3/2
1.84(L - nH)H2
1.84(L - nH)H3
1.84(L - 0.1nH)H5/2

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