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Previous Year Exam Questions of Modern Manufacturing process of BPUT - MMP by Verified Writer

  • Modern Manufacturing process - MMP
  • 2017
  • PYQ
  • Biju Patnaik University of Technology Rourkela Odisha - BPUT
  • Mechanical Engineering
  • B.Tech
  • 3 Offline Downloads
  • Uploaded 1 year ago
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Registration No: Total Number of Pages: 02 B.TECH PME5G001 5th Semester Regular Examination 2017-18 MANUFACTURING PROCESS Branch: MECH Time: 3 Hours Max Marks: 100 Q.CODE: B490 Answer Part-A which is compulsory and any four from Part-B. The figures in the right hand margin indicate marks. Part – A (Answer all the questions) Q1 Answer the following questions: multiple type or dash fill up type a) The manufacturing processes are collected together to form a---------system. b) Moulding is carried out in moulding box is called----------. c) Neutral flame has------ zones. d) Residual stresses are set up during -------- working. e) ---------- chips are usually produced while cutting more brittle material. f) The grinding wheel has------- character. g) In Plasma Arc Machining the material removal is by--------. h) In AJM machining accuracy is relatively----------. i) When hard soldering the chief flux is --------. j) In steel welds the------- are the most serious defects. Q2 a) b) c) d) e) f) g) h) i) j) Answer the following questions: Short answer type Give the composition of green sand. What is the need of riser in casting? Discuss the need for cleaning the surfaces to be welded. How does cold rolling differ from hot rolling? Differentiate between the machine tool and cutting tool. How is a shaper specified? Name the abrasives and carrier gases used in AJM. What are the limitations of LBM? How the size of a planner expresses. What are the four major parts of a carriage? Part – B (Answer any four questions) Q3 a) Classify the manufacturing processes with example of process. b) Explain briefly about the different pattern allowances. (2 x 10) (2 x 10) (10) (5)

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Q4 a) Explain the resistance welding process with neat diagram giving the equipment, parameter controlled and the disadvantages. b) Calculate the melting efficiency in case of arc welding of steel with a potential of 20V and current of 200A. The travel speed is 5mm/s and the cross-sectional area of the joint is 20mm2. Heat required to melt steel may be taken as 10J/mm3 and the heat transfer efficiency as 0.85. (10) Q5 a) What is angle of bite in rolling? Describe and specify the merits and limitations of different kind of rolling mills. b) A disk with 150mm diameter and 30mm thickness is forged to a final thickness of 18mm. Estimate the maximum forging force when the coefficient of friction = 0.3 and the tensile yield stress = 25N/mm2. Neglect the strain hardening. (10) Q6 a) Explain in detail with neat diagram the working of electro chemical machining process. b) Explain the principle of USM with neat diagram. (10) Q7 a) Draw the block diagram of a drilling machine and explain its major parts. b) Describe the different tool and job holding methods of milling machine. (8) Q8 a) Explain the in detail the concept of concurrent engineering and the role flexible manufacturing process in it. b) Explain different parts of a turret lathe and how it differs from engine lathe? (10) Q9 a) b) c) d) Answer any three: Copula Wire EDM Rapid Prototyping Brazing (5) (5) (5) (7) (5) (5X3)

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