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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

None of these
1
0.25
0.5

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Hydraulics and Fluid Mechanics in ME
Coefficient of velocity of venturimeter

None of these
is independent of Reynolds number
decreases with higher Reynolds number
is equal to the coefficient of discharge of venturimeter

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Hydraulics and Fluid Mechanics in ME
Water is _________ liquid.

An incompressible
None of these
A compressible
Both A and B

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Hydraulics and Fluid Mechanics in ME
Flow occurring in a pipeline when a valve is being opened is

laminar
steady
vortex
unsteady

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Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Inversely proportional to H3/2
Inversely proportional to H5/2
Directly proportional to H5/2
Directly proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

(q²/g)1/3
(q/g)1/2
(q³/g)1/4
(q⁴/g)1/5

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