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+ad = 5.5e-04; // Area of indicator diagram
+ld = 0.06; // Length of diagram
+k = 147e06; // Spring constant in MPa/m
+w = 150; // Speed of engine
+L = 1.2 ; // Stroke of piston
+d = 0.8; // Diameter of the cylinder in m
+A = (%pi/4)*(0.8^2); // Area of cylinder
+Pm = (ad/ld)*k; // Effective pressure
+W1 = Pm*L*A*w; // Work done in 1 minute
+W = (12*W1)/60; // The rate of work transfer gas to the piston in MJ/s
+disp("kW",W/1000,"The rate of work transfer gas to the piston is") \ No newline at end of file