Answer / guest

can measure level by using Differential Pressure. It infers
liquid level by measuring the pressure generated by the liquid.

Pressure = Specific gravity x Height of the liquid column.

Answer / anonymous

Pressure = density x height x gravity

Answer / abhijt sonar

Pressure = Specific gravity x Height of the liquid column.

Example: - U-Tube manometers...

Basic working principle of control valves

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