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2003 Course CAD/CAM/CIM

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Total No. of Questions : 12] [Total No. of Pages :3 [3864] - 181 B.E. (Production) CAD/CAM/CIM (2003 Course) P1051 Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) 2) 3) 4) 5) Attempt one question from each unit from each section - 1& section - II Answers to the two sections should be written in separate books. Figures to the right indicate full marks. Neat diagrams must be drawn wherever necessary. Assume suitable data, if necessary. SECTION - I Unit - I Q1) a) Perform the following transformation if the co-ordinates of the vertices of the square are A(2,2), B( 2,6),C(6,6),D(6,2) [8] i) ii) b) Scale the square by factor = 2 in x & y direction. Rotate the scaled square about A by 45o in counter clockwise direction. Give an example of surface modelling and show it s disadvantages. How these disadvantages are overcome in solid modelling. [8] OR Q2) a) Write a note on i) b) Image writing methods. ii) [10] Homogeneous Transformation. Draw the sketches and write the equations for the primitives used in solid modelling. [6] P.T.O.

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