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Examination Question of RAPID PROTOTYPING - BPUT - 2017

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Registration no: Total Number of Pages: 01 B.Tech PEMF5404 7th Semester Regular/Back Examination 2017-18 Rapid Prototyping BRANCH: MANUFAC, MANUTECH Time: 3 Hours Max Marks: 70 Q.CODE: B429 Answer Question No.1 which is compulsory and any five from the rest. The figures in the right hand margin indicate marks. Q1 a) b) c) d) e) f) Answer the following questions : What is the main role of Rapid prototyping in industries? What is the application of Rapid prototype in Product development? What is the difference between Rapid Tooling & Rapid Manufacturing? (2 x 10) g) h) i) j) What is the fundamental principle of Stereo lithography process? What do you mean by STL files and explain slicing relevant to CAD? What is the technique may use to produce metal parts in Rapid prototype system? What are the key strengths of Direct shell production casting? What are the types of materials are used to develop Rapid prototype? What do you mean by ‘Reverse Engineering’? What do you mean by ‘point clouds’? Q2 a) b) Explain the principle of Shape deposition manufacturing? Differentiate SLA and SLS in Rapid prototyping. (5) (5) Q3 a) b) What are the merits and demerits of laminated Object manufacturing? Explain with one examples for each of ‘solid based’ &’ liquid based’ Rapid prototype system with neat sketch. (5) (5) Q4 a) Explain the principle of three-dimensional printing Rapid prototype system with neat sketch. Write the limitations and advantages of FDM process. (5) Explain the principle of Fused Deposition Modeling Rapid prototype system with neat sketch. Explain the fundamental principle of Rapid prototype manufacturing. (5) Explain ‘e-manufacturing’ related to Rapid Prototype system? What are the measuring techniques & devices used to produce point clouds & creating CAD models? (5) (5) Q7 Explain in detail the LENS process with a neat diagram. Also write the advantages and disadvantages. (10) Q8 Write short answer on any TWO : Rapid prototype in medical applications Direct production shell casting (DSPC) Laser Engineered Net Shape Sintered (LENS) Laminated Object Manufacturing (LOM) b) Q5 a) b) Q6 a) b) a) b) c) d) (5) (5) (5 x 2)

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