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diff --git a/2063/CH7/EX7.26/7_26.sce b/2063/CH7/EX7.26/7_26.sce
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+clc
+clear
+//Input
+F=10;//Quantity of fuel supplied during the trial of a diesel engine in kg/hr
+CV=42500;//Calorific value of fuel in kJ/kg
+r=20;//Air fuel ratio
+T=20;//Ambient temperature in degrees celsius
+mw=585;//Water circulated through the gas calorimeter in litres/hr
+T1=35;//Temperature rise of water through the calorimeter in degrees celsius
+T2=95;//Temperature of gases at exit from the calorimeter in degrees celsius
+se=1.05;//Specific heat of exhaust gases in kJ/kgK
+sw=4.186;//Specific heat of water in kJ/kgK
+
+//Calculations
+M=(F/60)*(r+1);//Mass of exhaust gases formed per minute
+H=((mw/60)*sw*T1)+(M*se*(T2-T));//Heat carried away by the exhaust gases per minute in kJ/min
+Hs=(F/60)*CV;//Heat supplied by fuel per minute in kJ/min
+nh=(H/Hs)*100;//Percentage of heat carried away by the exhaust gas
+
+//Output
+printf('Percentage of heat carried away by exhaust gas is %3.2f percent',nh)