Hydraulics and Fluid Mechanics in ME
An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)

tanθ = 2 a/g
tanθ = a/2g
tanθ = a2/2g
tanθ = a/g

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

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

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