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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

w/h
h
wh
h/w

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Hydraulics and Fluid Mechanics in ME
Specific weight of water in S.I. units is equal to

1000 N/m3
10000 N/m3
9.81 xlO6 N/m3
9.81 xlO3 N/m3

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Hydraulics and Fluid Mechanics in ME
During the opening of a valve in a pipe line, the flow is

Laminar
Steady
Unsteady
Uniform

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Hydraulics and Fluid Mechanics in ME
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

The area is horizontal
All of these
The area is inclined
The area is vertical

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Hydraulics and Fluid Mechanics in ME
The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as

Potential line
Stream line
Steak line
Path line

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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
Directly proportional
Inversely proportional
None of these

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