Example 19.13

 The intermediate pressure are - 
 p2 = 2.466212 bar,
 p3 = 6.082202 bar,
 The effective sweft volume = 0.047713 m^3,
 Temperature of air delivered per stroke at 15 bar = 85.394674 degree centigrade,
 The work done per kg of air = 254.077922 kJ