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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The viscosity of a liquid __________ its rate of flow through a hole in a vessel.

None of these
Both A and B
Effects
Does not effect

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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
h/w
h
w/h

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Hydraulics and Fluid Mechanics in ME
The magnitude of water hammer depends upon the

Speed at which the valve is closed
All of these
Elastic properties of the pipe material
Elastic properties of the liquid flowing through the pipe

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Hydraulics and Fluid Mechanics in ME
The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the

Pressure head
Pressure head - velocity head
Velocity head
Pressure head + velocity head

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Hydraulics and Fluid Mechanics in ME
Pascal-second is the unit of

pressure
surface tension
kinematic viscosity
dynamic viscosity

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

N/H²
N/√H
N/H3/2
N/H

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