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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

1.2 times
1.8 times
Double
Equal to

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

Hyperbolic curve
Elliptical
Straight line
Parabolic curve

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Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is given by the equation

N√P / H5/4
N√P / H²
N√P / H3/2
N√P / H3

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Hydraulics and Fluid Mechanics in ME
Newton's law of viscosity is a relationship between

Rate of shear strain and temperature
Shear stress and rate of shear strain
Shear stress and velocity
Pressure, velocity and temperature

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Hydraulics and Fluid Mechanics in ME
High specific speed of a pump implies it is

Mixed flow pump
Centrifugal pump
Axial flow pump
Any one of the above

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Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

turbulent flow
uniform f^w
steady flow
one dimensional flow

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