Physics · Thermodynamics
Which of the following statements is correct regarding the term 'Reduced Pressure' in thermodynamics?
- 1Its SI unit is Megapascal (MPa).
- 2It is the ratio of the existing pressure to the critical pressure of a substance.✓
- 3It is the difference between the critical pressure and the existing pressure of a substance.
- 4It is represented by the ordinate (Y-axis) of the generalized compressibility chart.
Correct answer
It is the ratio of the existing pressure to the critical pressure of a substance.
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