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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/w
wh
h
w/h

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Hydraulics and Fluid Mechanics in ME
A weir, generally, used as a spillway of a dam is

Submerged weir
Narrow crested weir
Broad crested weir
Ogee weir

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Hydraulics and Fluid Mechanics in ME
The factional resistance of a pipe varies approximately with __________ of the liquid.

Square of velocity
Pressure
Cube of velocity
Velocity

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Hydraulics and Fluid Mechanics in ME
One poise is equal to

0.1 N-s/m2
10 N-s/m2
100 N-s/m2
1 N-s/m2

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Hydraulics and Fluid Mechanics in ME
Bernoulli equation deals with the law of conservation of

mass
work
energy
momentum

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Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q (H + hf)
w × Q (H - hf)
w × Q × H
w × Q × hf

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