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+// A Texbook on POWER SYSTEM ENGINEERING
+// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar
+// DHANPAT RAI & Co.
+// SECOND EDITION 
+
+// PART IV : UTILIZATION AND TRACTION
+// CHAPTER 3: ELECTROLYTIC AND ELECTRO-METALLURGICAL PROCESSES
+
+// EXAMPLE : 3.3 :
+// Page number 748
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+hour = 24.0         // Time(hour)
+I = 3500.0          // Average current(A)
+n = 0.9             // Current efficiency
+valency = 3.0       // Aluminium valency
+w = 27.0            // Atomic weight of aluminium
+ece_Ag = 107.98     // Electro-chemical equivalent of silver
+Wt_dep = 0.00111    // Silver deposition by one coulomb(gm)
+
+// Calculations
+chemical_eq_Al = w/valency                    // Chemical equivalent of aluminium
+eme_Al  = Wt_dep/ece_Ag*chemical_eq_Al        // Electro-chemical equivalent of aluminium(gm/coulomb)
+Wt_Al_liberated = I*hour*3600*n*eme_Al/1000   // Weight of aluminium liberated(Kg)
+
+// Results
+disp("PART IV - EXAMPLE : 3.3 : SOLUTION :-")
+printf("\nWeight of aluminium produced from aluminium oxide = %.1f kg", Wt_Al_liberated)