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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
According to fan laws, for fans having constant wheel diameter, the pressure varies

Cube of fan speed
Square of fan speed
Directly as fan speed
Square root of fan speed

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

None of the listed here
Impulse turbine
Propeller turbine
Francis turbine

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Hydraulics and Fluid Mechanics in ME
Motion of a liquid in a volute casing of a centrifugal pump is an example of

Forced spiral vortex flow
Rotational flow
Radial
Spiral vortex flow

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

Hyperbolic curve
Straight line
Elliptical
Parabolic curve

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Hydraulics and Fluid Mechanics in ME
The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch)

(2/3) Cd × b × √(2g) × H
(2/3) Cd × b × √(2g) × H2
(2/3) Cd × b × √(2g) × H3/2
(2/3) Cd × b × √(2gH)

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is dependent upon

Flow
Pressure
Distance
Density

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