In an air-standard Otto-cycle,the compression ratio is The condition at the beginning of the compression process is 100 kPa and 300K.Heat added at constant volume is 1500 kJ/kg,while 700 kJ/kg of heat is rejected during the other constant volume proc ?->(Show Answer!)

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In an air-standard Otto-cycle,the compression ratio is The condition at the beginning of the compression process is 100 kPa and 300K.Heat added at constant volume is 1500 kJ/kg,while 700 kJ/kg of heat is rejected during the other constant volume proc ?->(Show Answer!)

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1. In an air-standard Otto-cycle,the compression ratio is The condition at the beginning of the compression process is 100 kPa and 300K.Heat added at constant volume is 1500 kJ/kg,while 700 kJ/kg of heat is rejected during the other constant volume process in the cycle.Specific gas constant for air=287 kJ/kgK.The mean effective pressure(in kPa)of the cycle is:

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