Question Paper: Manufacturing Process 1 : Question Paper Dec 2015 - Mechanical Engineering (Semester 3) | Visveswaraya Technological University (VTU)

Manufacturing Process 1 - Dec 2015

Mechanical Engg. (Semester 3)

(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.
1 (a) Briefly Discuss the step involved in making a sand casting.(8 marks) 1 (b) What is pattern? List different types of pattern. Explain match plate pattern with a neat sketch.(9 marks) 1 (c) Write explanatory note on No-Bake sands.(3 marks) 2 (a) Explain briefly the desirable properties of moulding sand.(8 marks) 2 (b) Draw a neat sketch of a gating system showing all the elements.(4 marks) 2 (c) With a neat sketch explain sand slinger.(8 marks) 3 (a) Explain with a neat sketch, the shell moulding process.(10 marks) 3 (b) With a neat sketch, explain continuous casting process.(10 marks) 4 (a) With a neat sketch, explain the different zones present in cupola furnace.(10 marks) 4 (b) With a neat sketch explain the constructional features and working of electrical resistance Furnance. List its advantages.(10 marks) 5 (a) Sketch and explain TIG welding process. Mention its limitations.(10 marks) 5 (b) What are the different types of flames produced is oxy-acetylene welding and explain in brief with neat sketches.(10 marks) 6 (a) Explain the principle of Resistance welding. Also list its major applications.(6 marks) 6 (b) With a neat sketch explain laser beam welding.(10 marks) 6 (c) Enumerate the advantages of Electron beam welding.(4 marks) 7 (a) What is Heat Affected Zone (HAZ)? Explain the parameter affecting HAZ.(10 marks) 7 (b) List the functions of Electrode coatings.(4 marks) 7 (c) Write a short note on residual stresses in welding.(6 marks) 8 (a) Compare soldering and Brazing process. Mention their advantages, limitations and applications.(12 marks) 8 (b) Explain Radiography inspection with a neat sketch.(8 marks)

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