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2003 Course Offset Machines - II

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Total No. of Questions : 6] [Total No. of Pages : 2 [3864] - 303 P 1278 B.E. (Printing Engineering) OFFSET MACHINES - II (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) All questions are compulsory. 2) Figures to the right indicate full marks. 3) Neat diagrams must be drawn wherever necessary. 4) Answers to the two sections should be written in separate books. SECTION - I Q1) a) b) State and explain splice cycle of zero speed splicer. [8] With neat diagrams explain different types of reel stands used for web offset presses. [8] OR Q1) a) b) Q2) a) b) Explain the significance of a suitable splice pattern for reels used on web offset presses. Explain any 3 types with neat diagrams. [8] Explain use of clamp truck in web offset press. [8] What is the significance of using an automatic plate changing mechanism on web offset machines in newspaper industry? Explain the mechanism in brief. [8] Why blanket cylinder has a low gap in web offset machines. Draw a neat construction of blanket used on web presses stating the hardness desired on web offset. [8] OR Q2) a) b) Compare brush dampening system and continuous dampening system with neat figures. [8] Explain keyless inking system used on web offset presses. [8] Q3) Explain the process of drying on heatset weboffset press. Describe different types of dryers used for this process. [18] OR Q3) a) b) Describe chill roll plumbing. [9] Explain one type of folder used in newspaper industry on web offset machines. [9] P.T.O.

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