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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

wh
h/w
h
w/h

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Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

work
length
energy
mass

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Hydraulics and Fluid Mechanics in ME
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than

viscosity
All of these
surface friction
frictional force

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Hydraulics and Fluid Mechanics in ME
In case of an airfoil, the separation of flow occurs

any where between rear and front of body depending upon Reynolds number
midway between rear and front of body
at the extreme rear of body
at the extreme front of body

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Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Newtonian
Non-Newtonian
Real
Ideal

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to

Bernoulli’s theorem
Equilibrium of a floating body
Archimedes’ principle
Buoyancy

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