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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/h
wh
h/w

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Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch)

(2/3) Cd × b × √(2gH)
(2/3) Cd × b × √(2g) × H2
(2/3) Cd × b × √(2g) × H
(2/3) Cd × b × √(2g) × H3/2

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Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of gases
specific gravity of solids
specific gravity of liquids
relative humidity

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Hydraulics and Fluid Mechanics in ME
In axial flow fans and turbines, fluid enters and leaves as follows

Axially, axially
Radially, radially
Axially, radially
Radially, axially

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Hydraulics and Fluid Mechanics in ME
A manometer is used to measure

Pressure in Venturimeter
Difference of pressures between two points in a pipe
Pressure in pipes and channels
Atmospheric pressure

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Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

0.75
0.8
1
1.2

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