Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Directly proportional to H3/2
Inversely proportional to H5/2
Inversely proportional to H3/2
Directly proportional to H5/2

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

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

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Hydraulics and Fluid Mechanics in ME
The total energy of a liquid particle in motion is equal to

Kinetic energy - (pressure energy + potential energy)
Potential energy - (pressure energy + kinetic energy
Pressure energy - (kinetic energy + potential energy)
Pressure energy + kinetic energy + potential energy

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