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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.

Partially
None of these
Free
Full

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Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

less at low temperature and more at high temperature
less
equal
more

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Hydraulics and Fluid Mechanics in ME
The most efficient section of a channel is

Rectangular
Square
Triangular
Trapezoidal

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Hydraulics and Fluid Mechanics in ME
Resultant pressure of the liquid in the case of an immersed body acts through

Centre of buoyancy
Centre of pressure
Centre of gravity
Metacentre

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Hydraulics and Fluid Mechanics in ME
A body floating in a liquid is said to be in neutral equilibrium, if its metacentre

Coincides with its centre of gravity
Lies below its centre of gravity
Lies between the centre of buoyancy and centre of gravity
Lies above its centre of gravity

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Hydraulics and Fluid Mechanics in ME
Water is _________ liquid.

A compressible
None of these
Both A and B
An incompressible

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