Answer to Question #278443 in Mechanical Engineering for Neilmar

Question

A study of the compressibility charts, Items B 19 through B 21, will reveal that certain combinations of PR and TR will produce compressibility factors of Z = 1, as if the gas were ideal. (a) List several of these combinations from Item B 20. (b) What will be the state (p psia, t°F) of a given fluid (other than ideal) to produce Z = 1 if that fluid is air? Ammonia? Helium?

Answer 1

Solution;

$(a)$