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2003 Course Fiber Technology

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Total No. of Questions : 12] P1321 [Total No. of Pages : 3 [3664]-305 B.E. (Polymer) FIBER TECHNOLOGY (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates:1) Answer three questions from Section - I and three questions from Section - II. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Your answers will be valued as a whole. 6) Assume suitable data, if necessary. SECTION - I Q1) a) Explain what is meant by natural source & synthetic source of obtaining fibers. Give advantages of fibers obtained by both sources. [10] b) Explain melt spinning process with diagram and give limitation of this process. Give the list of polymers that can be obtained in fiber form by melt spinning. [8] OR Q2) a) b) Q3) a) b) Explain solution spinning method; and explain dry & wet spinning with diagrams. [10] Explain H4S spinning process with its advantages. [8] What are the raw materials used to produce synthetic fibers. [8] Give the list of fibers that can be obtained with dry jet wet spinning [8] along with the method of obtaining them. OR P.T.O.

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