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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
w/h
h
h/w

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Hydraulics and Fluid Mechanics in ME
The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)

0.855 a.√(2gH)
1.585 a.√(2gH)
5.85 aH.√(2g)
1.855 aH.√(2g)

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Hydraulics and Fluid Mechanics in ME
The ratio of absolute viscosity to mass density is known as

kinematic viscosity
specific viscosity
coefficient of viscosity
viscosity index

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

H/2
2H/3
3H/4
H/3

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Hydraulics and Fluid Mechanics in ME
Ratio of inertia force to surface Jension is known as

Froude number
Weber’s number
Reynold’s number
Mach number

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Hydraulics and Fluid Mechanics in ME
Which of the following is the unit of kinematic viscosity

pascal
faraday
stoke
poise

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