An ideal Stirling engine using helium as the working fluid operates between temperature limits of 300 and 2000K and pressure limits of 150kPa and 3MPa. Assuming the mass of the helium used in the cycle is 0.12kg, determine the work output per cycle.
(a) 25.2 kJ
(b) 35.6 kJ
(c) 42.8 kJ
(d) 56.4 kJ
