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diff --git a/2063/CH7/EX7.3/7_3.sce b/2063/CH7/EX7.3/7_3.sce
new file mode 100755
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+++ b/2063/CH7/EX7.3/7_3.sce
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+clc
+clear
+//Input data
+W=950;//Load on hydraulic dynamometer in N
+C=7500;//Dynamometer constant
+f=10.5;//Fuel used per hour in kg
+h=50000;//Calorific value of fuel in kJ/kg
+N=400;//Engine speed in rpm
+
+//Calculations
+P=(W*N)/C;//Power available at the brakes in kW
+H=P*60;//Heat equivalent of power at brakes in kJ/min
+Hf=(f*h)/60;//Heat supplied by fuel per minute in kJ/min
+n=(H/Hf)*100;//Brake thermal efficiency in percentage
+
+//Output
+printf(' Brake thermal efficiency of the engine is %3.2f percent',n)