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You've got that backwards. The table is written in gauge pressures so you have to convert to absolute before you do the partial pressure equivalence.In the case given, 10 kPa gauge = 111 kPa absolute. Divide by 0.30 for the 70 / 30 mix gives you 370 kPa absolute = 269 kPa gauge.
You've got that backwards. The table is written in gauge pressures so you have to convert to absolute before you do the partial pressure equivalence.
In the case given, 10 kPa gauge = 111 kPa absolute. Divide by 0.30 for the 70 / 30 mix gives you 370 kPa absolute = 269 kPa gauge.