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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A notch is used to measure __________ of liquids.

Velocity
Volume
Pressure
Discharge

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of

A triangle
A paraboloid
An ellipse
None of these

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Hydraulics and Fluid Mechanics in ME
When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

1.84(L - nH)H2
1.84(L - nH)H3
1.84(L - 0.1nH)H3/2
1.84(L - 0.1nH)H5/2

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

Directly proportional to H3/2
Inversely proportional to H3/2
Directly proportional to H1/2
Inversely proportional to H1/2

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Elastic force
Gravity force
Viscous force
Pressure force

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Hydraulics and Fluid Mechanics in ME
The process of diffusion of one liquid into the other through a semi-permeable membrane is called

osmosis
viscosity
surface tension
cohesion

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