Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

Turbulent flow
Steady flow
Vortex flow
Uniform flow

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Hydraulics and Fluid Mechanics in ME
The conditions for the stable equilibrium of a floating body are

all the above are correct
the meta-center should lie above the center of gravity
the center of buoyancy and the center of gravity must lie on the same vertical line
a righting couple should be formed

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Hydraulics and Fluid Mechanics in ME
The specific speed of turbine is defined as the speed of a unit

Of such a size that it delivers unit discharge at unit power
Of such a size that it produces unit horse power with unit head
Of such a size that it delivers unit discharge at unit head
Of such a size that it requires unit power per unit head

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