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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as

Normal speed
Unit speed
None of these
Specific speed

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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.

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

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Hydraulics and Fluid Mechanics in ME
The property of a fluid which enables it to resist tensile stress is known as

cohesion
adhesion
surface tension
compressibility

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Hydraulics and Fluid Mechanics in ME
Gradually varied flow is

non-steady uniform
non-steady non-uniform
steady non-uniform
steady uniform

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Hydraulics and Fluid Mechanics in ME
Dynamic viscosity of most of the gases with rise in temperature

remains unaffected
unpredictable
decreases
increases

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Hydraulics and Fluid Mechanics in ME
The flow in which each liquid particle has a definite path and their paths do not cross each other is called

one dimensional flow
turbulent flow
streamline flow
uniform flow

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