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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The major loss of energy in long pipes is due to

friction
gradual contraction or enlargement
sudden contraction
sudden enlargement

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must fulfill the following

Newton’s law of motion
Newton’s law of viscosity
Pascal’ law
Continuity equation

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends upon the

Pressure with which the liquid is displaced
Viscosity of the liquid
Weight of the liquid displaced
Compressibility of the liquid

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel is

Tangential flow impulse turbine
Inward flow reaction turbine
Inward flow impulse turbine
Outward flow impulse turbine

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Hydraulics and Fluid Mechanics in ME
A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is

27,000 kg
13,500 kg
9,000 kg
18,000 kg

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

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