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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
h/w

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Hydraulics and Fluid Mechanics in ME
For small discharge at high pressure, following pump is preferred

Mixed flow
Axial flow
Reciprocating
Centrifugal

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Hydraulics and Fluid Mechanics in ME
Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by

0.1
0.2
0.15
0.05

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Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a siphon, an air vessel is provided

At any point between inlet and outlet
At the summit
At the outlet
At the inlet

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of rectangular section will be maximum, if

Its depth is thrice the breadth
Its breadth is thrice the depth
Its breadth is twice the depth
Its depth is twice the breadth

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of

A triangle
A paraboloid
None of these
An ellipse

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