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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

sudden contraction
friction
gradual contraction or enlargement
sudden enlargement

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Hydraulics and Fluid Mechanics in ME
Which of the following is the unit of kinematic viscosity

poise
faraday
pascal
stoke

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Hydraulics and Fluid Mechanics in ME
A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

Weir
Nozzle
Mouthpiece
Notch

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Hydraulics and Fluid Mechanics in ME
A fluid in equilibrium can't sustain

Tensile stress
Bending stress
Compressive stress
Shear stress

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Hydraulics and Fluid Mechanics in ME
Falling drops of water become spheres due to the property of

adhesion
surface tension
cohesion
viscosity

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Hydraulics and Fluid Mechanics in ME
The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)

2g × √H
2gH
H × √(2g)
√(2gh)

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