Hydraulics and Fluid Mechanics in ME
In case of flow through parallel pipes,

Both (A) and (B)
The total head loss is the sum of head losses in the various pipes
The head loss for all the pipes is same
The total discharge is equal to the sum of discharges in the various pipes

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Hydraulics and Fluid Mechanics in ME
A floating body is said to be in a state of stable equilibrium

when its metacentric height is zero
only when its centre of gravity is below its centre of buoyancy
when the metacentre is above the centre of gravity
when the metacentre is below the centre of gravity

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Hydraulics and Fluid Mechanics in ME
Reynolds number is significant in

simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls
full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc
supersonics, as with projectile and jet propulsion
All of these

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Hydraulics and Fluid Mechanics in ME
In an inward flow reaction turbine

The water enters the wheel at the outer periphery and then flows towards the center of the wheel
The flow of water is partly radial and partly axial
The water flows parallel to the axis of the wheel
The water enters at the center of the wheel and then flows towards the outer periphery of the wheel

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