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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

Cv × Cr
Cc × Cr
Cc/Cr
Cc × Cv

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

steady
unsteady
laminar
vortex

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Hydraulics and Fluid Mechanics in ME
The discharge through a reaction turbine ___ with the increase in unit speed.

None of the listed here
Remain same
Decreases
Increases

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Hydraulics and Fluid Mechanics in ME
Metacentric height for small values of angle of heel is the distance between the

centre of gravity and metacentre
centre of gravity and centre of buoy-ancy
centre of buoyancy and metacentre
free surface and centre of buoyancy

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Hydraulics and Fluid Mechanics in ME
The product of mass and acceleration of flowing liquid is called

Gravity force
Inertia force
Pressure force
Viscous force

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Hydraulics and Fluid Mechanics in ME
The Francis formula for the discharge over Cipoletti weir is

1.84 LH1/2
1.84 LH3/2
1.84 LH5/2
1.84 LH

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