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2003 Course Die & Mould Design (Elective I)

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Total No. of Questions : 12] P1155 [Total No. of Pages : 3 [3664]-172 B.E. (Production & Industrial Engineering) DIE AND MOULD DESIGN (Elective - I) (2003 Course) (411122) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answers to the two sections should be written in separate books. 2) Neat diagrams must be drawn wherever necessary. 3) Figures to the right indicate full marks. 4) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables, is allowed. 5) Assume suitable data, if necessary. SECTION - I Q1) a) b) What is yield criteria? Explain any two yield criteria. What are the problems in rolling? Explain it with neat sketch. [8] [8] OR Q2) a) b) Explain the following terms in extrusion : [8] i) CCD. ii) Shape Factor. iii) Form Factor. iv) Extrusion ratio. v) Breakthrough pressure. vi) Discard pressure. Explain various types of wire drawing machines state their advantages & limitation. [8] Q3) a) Explain with neat sketch the different types of presses based on method of actuation of slide with their specific application. [12] b) Draw neat sketch of compound die for manufacturing of washer. [4] OR P.T.O.

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