Question
An ideal gas is taken through four steps . The amount of heat involved in these steps are Q1= 5960J , Q2= -5585J ,Q3= 2980J ,and Q4= 3645J respectively .The corresponding work involved are W1= 2200J , W2 = -825J, W3= -1100 J and W4 respectively . what is the effficiency of the cycle 1. 10.82% 2. 11.42% 3. 9.32% 4. 5.8