Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will float if

Gravitational force is equal to the up-thrust of the liquid
None of these
Gravitational force is more than the up-thrust of the liquid
Gravitational force is less than the up-thrust of the liquid

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Hydraulics and Fluid Mechanics in ME
The flow in a pipe or channel is said to be uniform when

The quantity of liquid flowing per second is constant
The liquid particles at different sections have different velocities
Each liquid particle has a definite path
The liquid particles at all sections have the same velocities

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