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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Reynold's number
Euler's number
Froude's number
Weber's number

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Hydraulics and Fluid Mechanics in ME
The unit speed of the turbine runner is

N/H²
N/H
N/√H
N/H3/2

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water traveling out of opening in a tank filled with water is proportional to

V/T
Head of water (h)
h²
h/2

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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)

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

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/6
d/2
d
d/4

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Hydraulics and Fluid Mechanics in ME
The unit of kinematic viscosity in S. I. units is

N-m
m2/s
N-s/m2
N-m/s

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