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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)

wH
wH/2
wH2/2
wH2/4

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Hydraulics and Fluid Mechanics in ME
According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)

mi × √(A × C)
C × √(m × i)
A × √(m × i)
AC × √(m × i)

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Hydraulics and Fluid Mechanics in ME
The pressure at a point 4 m below the free surface of water is

19.24 kPa
49.24 kPa
29.24 kPa
39.24 kPa

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Hydraulics and Fluid Mechanics in ME
If no resistance is encountered by displacement, such a substance is known as

Water
Fluid
Gas
Ideal fluid

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Hydraulics and Fluid Mechanics in ME
A fluid whose viscosity does not change with the rate of deformation or shear strain is known as

Ideal fluid
Real fluid
Newtonian fluid
Non-Newtonian fluid

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Increase in pressure to the volumetric strain
Increase in volume to the viscosity of fluid
Shear stress to shear strain
Critical velocity to the viscosity of fluid

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