Manufacturing Process - 1 : Question Paper Dec 2014 - Mechanical Engineering (Semester 3) | Gujarat Technological University (GTU)

Manufacturing Process - 1 - Dec 2014

Mechanical Engineering (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) Give the Classification of Machining Processes and Also discuss the major factors influence the selection of a suitable machining process.(7 marks) 1 (b) Explain size of Lathe. Also describe various types of Lathes along with their applications and general specifications.(7 marks) 2 (a) Describe Turning operation in Lathe Machine. Also discuss Shoulder Turning and Eccentric Turning with neat sketch.(7 marks)

Answer any one question from Q2 (b) or Q2 (c)

2 (b) What is Tool Signature and Tool Geometry ? Explain importance of tool angles for single point cutting tool in brief.(7 marks) 2 (c) Write a short note on "Turret Lathe".(7 marks)

Answer any two question from Q3 (a), (b) or Q3 (c), (d), (e)

3 (a) Enlist various operations carried out on drilling machine. Also explain Tapping, Trepanning and Countersinking.(7 marks) 3 (b) Discuss briefly, with a neat sketch, horizontal boring machine.(7 marks) 3 (c) Explain Radial drilling machine with neat sketch.(7 marks) 3 (d) Give the comparison between boring and reaming. Also describe Precision boring machine with neat sketch.(7 marks)

Answer any two question from Q4 (a), (b) or Q4 (c), (d), (e)

4 (a) What is Indexing? Enlist and Discuss various types of Indexing.(7 marks) 4 (b) Explain Hydraulic shaper mechanism in details and also discuss the quick return motion of Hydraulic shaper.(7 marks) 4 (b) Give the differences among shaper, planner and slotter. Discuss Briefly the planner driving mechanism.(7 marks) 4 (c) Enlist various Milling Operations. Discuss the following operations.
1. Straddle Milling
2. Gear Milling
3. Face Milling
(7 marks)

Answer any two question from Q5 (a), (b) or Q5 (a), (b)

5 (a) What are the advantages, limitations and applications of broaching? Explain "Pull broaching" and "Push Broaching".(7 marks) 5 (b) What is an Abrasive? How are abrasive Classified? Enlist and explain various abrasives used in grinding wheels.(7 marks) 5 (c) Write a short note on: "Band Sawing Machine"(7 marks) 5 (d) With neat sketch explain Center less Grinding Machine.(7 marks)


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