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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGINEERING SEMESTER IV • EXAMINATION SUMMER- 2017
Subject Code: 341901 Date: 29- 04 -2017
Subject Name: MANUFACTURING ENGINEERING-II
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Each question carry equal marks (14 marks)
Q.1

List the types of chips.Explain each with sketch.
07



07

List the all operations performed on lathe. Describe (i)Knurling Chamfering.




Q.2

Draw the block diagram of lathe.Describe function of main parts.
07



07

Differentiate:Ductile work material and Brittle work material.




OR

Differentiate:Orthogonal cutting and Oblique cutting.
07


Q.3

Classify machine tool drive system.Explain stepped pulley drive.
07



07

List taper turning methods.Explain any one




OR
Q.3

State difference between capstan lathe and turret lathe.
07



07

Explain (i)speed feed depth of cut (iv)counter boring counter sinking.




Q.4

Write short note: Quick return motion mechanism of shaper.
07



07

State difference between Shaper and Planner.




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OR
Q.4

Classify milling machines.Draw block diagram of plain milling machine.
07


.
07

List operation perfomed on milling machine.Explain up milling and down milling.




Q.5

Sketh single point cutting tool geometry and state tool signature.
07



07

Describe driving mechanism of press.




OR
Q.5

Explain properties of various cutting tool material.
07



07

Explain construction of bending die with sketch.