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Hydraulics and Fluid Mechanics in ME

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

Head of water (h)
V/T
h/2
h²

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Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

pitot tube
hot wire anemometer
Venturimeter
rotameter

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Hydraulics and Fluid Mechanics in ME
The impeller of a centrifugal pump may have

Vortex casing
Volute casing
Volute casing with guide blades
Any one of these

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Hydraulics and Fluid Mechanics in ME
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than

surface friction
frictional force
All of these
viscosity

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Hydraulics and Fluid Mechanics in ME
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.

IG / Ax̅ above
IG / Ax̅ below
Ax̅ / IG below
Ax̅ / IG above

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Hydraulics and Fluid Mechanics in ME
The shear stress-strain graph for a Newtonian fluid is a

Straight line
Elliptical
Parabolic curve
Hyperbolic curve

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