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Hydraulics and Fluid Mechanics in ME

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

Surface tension force
Gravity force
Elastic force
Viscous force

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Hydraulics and Fluid Mechanics in ME
In an immersed body, center of pressure is

at the center of gravity
could be above or below e.g. depending on density of body and liquid
above the center of gravity
below be center of gravity

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Hydraulics and Fluid Mechanics in ME
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

500 kg
1500 kg
2000 kg
1000 kg

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Hydraulics and Fluid Mechanics in ME
Newton’s law of viscosity relates

intensity of pressure and rate of angular deformation
shear stress, viscosity and temperature
shear stress and rate of angular deformation
viscosity and rate of angular deformation

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Hydraulics and Fluid Mechanics in ME
In impulse Turbine, energy available at the inlet is in the form of

Kinetic energy
Strain Energy
Potential Energy
None of these

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Hydraulics and Fluid Mechanics in ME
The maximum efficiency of transmission through a pipe is

0.5
0.6667
0.567
0.7666

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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