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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
One horsepower is equal to

75 watts
102 watts
735 watts
550 watts

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Hydraulics and Fluid Mechanics in ME
Centre of buoyancy always

coincides with the centre of gravity
coincides with the centroid of the volume of fluid displaced
remains below the centre of gravity
remains above the centre of gravity

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Hydraulics and Fluid Mechanics in ME
The vapour pressure over the concave surface is

greater than the vapour pressure over the plane surface
zero
less man the vapour pressure over the plane surface
equal to the vapour pressure over the plane surface

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of the inertia force to the

Viscous force
Surface tension force
Gravity force
Elastic force

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Hydraulics and Fluid Mechanics in ME
The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H).

P/ H3/2
P/ H
P/ √H
P/ H²

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

turbulent flow
laminar flow
non-uniform flow
steady flow

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