An ai r st andar d Ot t o cycl e has t her mal efficiency of 0.5 and the mean effective pressure of the cycle is 1000 kPa. For air, assume specific heat ratio = 1.4 and specific gas constant R = 0.287 kJ/kg.K. If the pressure and temperature at the beginning of the compression stroke are 100 kPa and 300 K, respectively, then the specific net work output of the cycle is ___ kJ/ kg

An ai r st andar d Ot t o cycl e has t her mal efficiency of 0.5 and t

1.	An ai r st andar d Ot t o cycl e has t her mal efficiency of 0.5 and the mean effective pressure of the cycle is 1000 kPa. For air, assume specific heat ratio = 1.4 and specific gas constant R = 0.287 kJ/kg.K. If the pressure and temperature at the beginning of the compression stroke are 100 kPa and 300 K, respectively, then the specific net work output of the cycle is ___ kJ/ kg
A.	808.77 kJ/kg
B.	808.77 kJ/kg
C.	709 kJ/kg
D.	708.77 kJ/kg
Answer» D. 708.77 kJ/kg

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