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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–IV • EXAMINATION – WINTER • 2014
Subject Code: 3341901 Date: 26-11-2014
Subject Name: Manufacturing Engineering - II
Time: 02:30 pm - 05:00 pm Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is considered to be Authentic.
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Q.1 Answer any seven out of ten. 14
1. Define (a) Tool life (b) Cutting fluid
2. Explain chip formation.
3. List the safety precaution in machine tools.
4. Define machine tools & list the name of different machine tools.
5. Give the application of following.
(a) Collet chuck (b) three jaw chuck (c) four jaw chuck (d) face plate
6. Definition of “Indenxing”.
7. Explain Drilling & Boring.
8. Give the function of Divinding Head.
9. List out the cutting tool material.
10. What is Automates?
Q.2 (a) Explain Forming and Generating. 03
OR
(a) What is Orthogonal and oblique cutting ? 03
(b) State the various types of chips and Explain any one. 03
OR
(b) Give the application & properties of cutting fluid. 03
(c) Define Cutting Speed , Feed , Depth of cut with reference to lathe. 04
OR
(c) List the different operation performed on a lathe machine. 04
(d) Give the types of Chip barker and explain any one with sketch. 04
OR
(d) What is MRR ? Give Different parameter affected on it. 04
Q.3 (a) List the tool holding devices used on Drilling machine. 03
OR
(a) Give the types of Lathe machine. 03
(b) Enlist the different types of milling cutters. 03
OR
(b) List the specification of lathe machine. 03
(c) Explain the taper turning operation by tail stock off set method. 04
OR
(c) Name the different drilling machine operation and explain counter sinking. 04
(d) Difference between capstan and turret lathe. 04
OR
(d) Draw a sketch of single point cutting tool and show the angles on it. 04
Q.4 (a) Explain Gang milling & End milling operation. 03
OR
(a) List the different milling operation. 03
(b) Difference between shaper and planer. 04
OR
(b) Explain open and cross belt drive of a planer machine. 04
(c) Draw and explain of Quick Return Mechanism of shaper. 07
Q.5 (a) Explain direct indexing method. 04
(b) List the work holding device used on turret lathe. 04
(c) Need of Automates. 03
(d) Define Tool wear & Machinability. 03
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