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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/4
d/6
d/2
d

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Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

21000
2100
10000
2700

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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

cohesion
surface tension
osmosis
viscosity

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Hydraulics and Fluid Mechanics in ME
The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to

0.1
0.01
0.001
0.0001

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Hydraulics and Fluid Mechanics in ME
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is

1
4
2
43924

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Hydraulics and Fluid Mechanics in ME
Viscosity of water in comparison to mercury is

Same
Higher
Lower
Higher/lower depending on temperature

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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