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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 : 3.1 :
+// Page number 747-748
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+l = 20.0      // Length of shaft(cm)
+d = 10.0      // Diameter of shaft(cm)
+thick = 1.5   // Layer of nickel(mm)
+J = 195.0     // Current density(A/sq.m)
+n_I = 0.92    // Current efficiency
+g = 8.9       // Specific gravity of nickel
+
+// Calculations
+Wt = %pi*l*d*thick/10*g*10**-3        // Weight of nickel to be deposited(kg)
+ece_nickel = 1.0954                   // Electro-chemical equivalent of nickel(kg/1000 Ah)
+Q_I = Wt*1000/(ece_nickel*n_I)        // Quantity of electricity required(Ah)
+time = Q_I/(%pi*l*d*10**-4*J)         // Time taken(hours)
+
+// Results
+disp("PART IV - EXAMPLE : 3.1 : SOLUTION :-")
+printf("\nQuantity of electricity = %.f Ah", Q_I)
+printf("\nTime taken for the process = %.f hours", time)