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2003 Course CAD/CAM/CIM

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Total No. of Questions : 12] P1329 [Total No. of Pages :4 [3764] - 181 B.E. (Production Engineering) CAD/CAM/CIM (2003 Course) Time : 3 Hours] [Max. Marks:100 Instructions to the candidates: 1) Attempt one question of each unit form Section - I and Section - II. 2) Answers to the two sections should be written in separate books. 3) Draw neat diagram wherever necessary. 4) Assume suitable data, if required. SECTION - I Unit - I Q1) a) Perform the following transformation if the co-ordinates of the vertices of the pentagon are A(4,1),B(8,1),C(10,4),D(6,7) and E (2,4) Determine the new position of Pentagon for following transformation- Scaling by 2 units in X and Y direction and rotate by 30 anticlockwise about A. [8] b) What are the salient features of half space boundary Representation solid modelling approach. [7] OR Q2) a) b) Explain the different technique for image generation on CRT. [7] Write a 3 X 3 transformation matrix for a line XY with end points X(3,3) and Y(7,7) ,find new co-ordinates of line for following transformation. i) Translate X and Y 2 unit. ii) Scale in X and Y direction by 2 unit. iii) Rotate by 45 degree in CCW. [8] Unit - II Q3) a) b) Write a short note on DNC. [5] Explain with sketch the positioning of tool in CNC-Vertical along with axis representation. [5] P.T.O.

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