Question
Download Solution PDFChoose the correct mathematical relation of absolute pressure.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Absolute pressure:
- It is defined as the pressure which is measured with reference to absolute vaccum pressure.
Gauge pressure:
- It is defined as the pressure which is measured with the help of pressure measuring instrument, in which the atmospheric pressure is taken as datum.
Vacuum pressure:
- It is defined as the pressure below the atmospheric pressure.
The relationship between the above pressures is given as,
1) Absolute pressure = Atmospheric pressure + Gauge pressure
Pabs = Patm + Pgauge
2) Vacuum pressure = Atmospheric pressure – Absolute pressure
Pvacuum = Patm - Pabs
Last updated on May 28, 2025
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