AMU Engineering 2020 solved paper Solved Paper

An ideal gas is taken through a cyclic thermodynamical process through four steps. The amounts of heat involved in these steps are Q1=5960J,Q2=−5585J, Q3=−2980J and Q4=3645J, respectively. The corres- ponding works involved are W1=2200J,W2=−825J,W3=−1100J and W4, respectively. The value of W4 is