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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Stream lines and path lines always coincide in case of

laminar flow
turbulent flow
uniform flow
steady flow

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Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

IG sinθ/Ax̅ below
IG sin²θ/Ax̅ below
IG sin²θ/Ax̅ above
IG sinθ/Ax̅ above

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Hydraulics and Fluid Mechanics in ME
Pitot tube is used for measurement of

flow
velocity
pressure
dsscharge

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Hydraulics and Fluid Mechanics in ME
Viscosity of water in comparison to mercury is

Same
Lower
Higher
Higher/lower depending on temperature

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?

Kaplan turbine
Francis turbine
None of these
Pelton wheel

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Hydraulics and Fluid Mechanics in ME
According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.

None of these
Directly proportional
Equal to
Inversely proportional

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