Hydraulics and Fluid Mechanics in ME
Differential manometer is used to measure

Pressure in pipes, channels etc.
Difference of pressure between two points
Very low pressure
Atmospheric pressure

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

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

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