//Area of positive loop of indicator diagram(cm^2) Areap=5.75; //Area of negative loop of indicator diagram(cm^2) Arean=0.25; //length of indicator diagram(in cm) H=5.5; //Spring constant(in bar/cm) pim=3.5; //Bore of the engine(in m) d=0.1; //Length of stroke(in m) L=0.15; //Speed of engine(in rpm) N=1600; //No of cylinders k=4;