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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)

0.707 D
0.423 D
0.223 D
0.577 D

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

non-uniform flow
turbulent flow
steady flow
laminar flow

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Hydraulics and Fluid Mechanics in ME
The stress-strain relation of the Newtonian fluid is

Hyperbolic
Parabolic
Inverse type
Linear

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Hydraulics and Fluid Mechanics in ME
The equation of continuity holds good when the flow

is one dimensional
All of these
is steady
velocity is uniform at all the cross sec-tions

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Hydraulics and Fluid Mechanics in ME
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

1500 kg
2000 kg
1000 kg
500 kg

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Hydraulics and Fluid Mechanics in ME
Newton's law of viscosity is a relationship between

Shear stress and rate of shear strain
Shear stress and velocity
Pressure, velocity and temperature
Rate of shear strain and temperature

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