Atmospheric pressure is taken as datum in:

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Pressure and its measurement

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Atmospheric pressure is taken as datum in:

Aatmospheric pressure

Bgauge pressure

Cvacuum pressure

Dabsolute pressur

Answer:

B. gauge pressure

Read Explanation:

The correct option is gauge pressure. In gauge pressure, atmospheric pressure is taken as the reference point for measurement. The equation for absolute pressure is P abs = P atm +P gauge .