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MANUFACTURING PROCESSES (20ME33P), PROBLEMS ON PRODUCTION COST, 1. Calculate the total cost of CI (Cast Iron) cap shown in Fig. from the following, Data:, Cost of molten iron at cupola spout = Rs. 30 per kg, Process scrap = 17 percent of net wt. of casting, Process scrap return value = Rs. 5 per kg, Administrative overhead charges = Rs. 2 per kg of metal poured., Density of material used = 7.2 gm/cc, , Department of Mechanical Engineering Govt. Polytechnic Channasandra Bengaluru-67, , Page 1

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MANUFACTURING PROCESSES (20ME33P), 2. A cast iron component is to be manufactured as per Fig. Estimate the selling price per, piece from the following data :, Density of material = 7.2 gm/cc, Cost of molten metal at cupola spout = Rs. 20 per kg, Process scrap = 20 percent of net weight, Scrap return value = Rs. 6 per kg, Administrative overheads = Rs. 30 per hour, Sales overheads = 20 percent of factory cost, Profit = 20 percent of factory cost, , Department of Mechanical Engineering Govt. Polytechnic Channasandra Bengaluru-67, , Page 3