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Hydraulics and Fluid Mechanics in ME

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

surface tension
viscosity
cohesion
adhesion

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends upon the

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

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

laminar flow
steady flow
turbulent flow
non-uniform flow

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Hydraulics and Fluid Mechanics in ME
The viscosity of water at 20°C is

One centipoise
One poise
One stoke
One centistoke

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Hydraulics and Fluid Mechanics in ME
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.

Ax̅ / IG below
Ax̅ / IG above
IG / Ax̅ above
IG / Ax̅ below

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Hydraulics and Fluid Mechanics in ME
The center of pressure of a surface subjected to fluid pressure is the point

at which all hydraulic forces meet
similar to metacentre
on the surface at which resultant pres-sure acts
on the surface at which gravitational force acis

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