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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

h
h/w
wh
w/h

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Hydraulics and Fluid Mechanics in ME
Viscous force is the __________ of shear stress due to viscosity and cross-section area of flow.

Different
Ratio
Product
Sum

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Hydraulics and Fluid Mechanics in ME
The power developed by a turbine is (where H = Head of water under which the turbine is working)

Inversely proportional to H3/2
Directly proportional to H1/2
Directly proportional to H3/2
Inversely proportional to H1/2

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Hydraulics and Fluid Mechanics in ME
If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in

Neutral equilibrium
Stable equilibrium
None of these
Unstable equilibrium

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Hydraulics and Fluid Mechanics in ME
Euler’s dimensionless number relates the following

viscous force and buoyancy force
inertial force and gravity
viscous force and inertial force
pressure force and inertial force

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Hydraulics and Fluid Mechanics in ME
Surge wave in a rectangular channel is an example ofi) steady flowii) unsteady flowiii) uniform flowiv) non-uniform flowThe correct answer is

(ii) and (iii)
(ii) and (iv)
(i) and (iii)
(i) and (iv)

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