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2003 Course CAD/CAM/CIM

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Total No. of Questions : 12] P1120 [Total No. of Pages : 4 [3664]-163 B.E. (Production Engineering) CAD / CAM / CIM (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Attempt one question from each unit in Section-I and Section-II. 2) Answer to the two sections should be written on separate answer books. 3) Figures to the right indicate full marks. 4) Assume suitable data if necessary. SECTION - I Unit - I Q1) a) Perform the following transformation if the co-ordinates of the vertices of the pentagon are P(1, 2), Q(13, 2), R(19, 5), S(19, 8) & T(13, 12). The transformation are [8] i) Scale the object by factor 1.5 ii) Rotate the scaled object about P by 60 in counter clockwise direction. b) What is the best kind of geometric modeling system? What are the primitives used in solid modeling? [8] OR Q2) a) Write note on: i) Random scan display ii) [10] Direct view storage tube b) Draw the sketches for following primitives used in modeling & also [6] write their mathematical representation. i) Sphere ii) Torus iii) Wedge P.T.O. Unit - II Q3) a) Explain the different elements of FMS. [8] b) Explain in detail word address format with some example for CNC programming. [10] OR Q4) a) With neat sketch explain FMS, FMC & FMM. [9] b) for job shown in Fig. No. 1 write down CNC program in G&M code. [9] Unit - III Q5) a) Write a note on: [10] i) Bill of material module ii) Standard Product Routing b) Explain Role of computer in production management system. [6] OR Q6) a) Discuss MRP I & MRP II in modern manufacturing system with sketch. [8] b) Explain shopfloor control module in CIM. [8] SECTION - II Unit - IV Q7) a) Differentiate product manufacturing by RP technique with other manufacturing technique. [8] b) With neat sketch explain a solid ground curing process. [3664]-163 -2- [7] OR Q8) a) What is Rapid prototyping? List out different RP techniques. Write advantages of RP. [7] b) What is 3-D printing? Explain how product is manufacturing from it. [8] Unit - V Q9) a) Explain different methods of cell formation in Group technology. [8] b) Determine the most logical sequence for a given data according to ToFrom Ratios. Construct flow diagram, develop feasible plant lay out for cell where the part enters & exists the cell. [6] 1 2 3 4 5 1 0 5 75 0 0 2 0 0 0 80 0 3 0 0 0 0 0 4 65 0 15 0 0 5 0 70 0 15 0 c) Explain the following with sketch related to FEA. i) Node & member ii) Global axis iii) Degree of freedom [6] OR Q10) a) Consider the bar shown in Fig No. 2. Determine the nodal displacement, element stresses & reactions. [15] Assume E = 200 109 N/m2 A1= 200 mm2 A2= 350 mm2 Load = 275 kN b) What do you understand by term Group Technology? Explain how it should be implemented in manufacturing company. [5] [3664]-163 -3- Unit - VI Q11) a) Explain with flow chart the concept of the NIST-AMRF hierarchical model. [8] b) What is CIM OSA model? How it will be apply in operating environment? [7] OR Q12) a) Define Design for quality & discuss its importance in manufacturing era. [7] b) Explain the scope of integration of CIM model of Digital Equipment Corporation (DEC). [8] [3664]-163 -4-

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