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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Size of a venturimeter is specified by

throat diameter
pipe diameter
angle of diverging section
both pipe diameter as well as throat diameter

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Hydraulics and Fluid Mechanics in ME
A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is

d²/12 + x̅
(bd²/12) + x̅
(d²/12 x̅) + x̅
b²/12 + x̅

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Hydraulics and Fluid Mechanics in ME
The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.

Less than
None of these
More than
Equal to

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of o floating in a fluid of same specific gravity a will

float over fluid
partly immersed
be fully immersed with top surface at fluid surface
sink to bottom

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as

turbulent flow
steady flow
uniform flow
one dimensional flow

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Hydraulics and Fluid Mechanics in ME
Density of water is maximum at

0°C
4°C
0°K
100°C

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