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GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Engineering - SEMESTER–IV • EXAMINATION – SUMMER • 2015
Subject Code: 3341901 Date: 08-05-2015
Subject Name: Manufacturing Engineering - II
Time: 2:30 pm to 5:00 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 the term Machining process.
2. Define Machinability.
3. State the need for using cutting fluid.
4. Define cutting speed and feed in case of lathe machine.
5. Define feed rate and depth of cut in case of drilling machine.
6. List machining operations performed on a shaper machine.
7. Define generating and forming processes.
8. List any four cutting tool material.
9. Define Tool life.
10. What is multi point cutting tool ? Give any two name.
Q.2 (a) Give the specification of a lathe machine. 03
OR
(a) Give the specification of a shaper machine. 03
(b) Differentiate between orthogonal and oblique cutting. 03
OR
(b) Enlist different types of chips. Explain continuous chip. 03
(c) Explain movements of cutting tool and job during cutting operation on lathe and shaper machine. 04
OR
(c) Define cutting speed, depth of cut and feed rate in case of planer machine. 04
(d) Write short note : cemented carbide tool. 04
OR
(d) Write short note: chip breaker. 04
Q.3 (a) Give the difference between shaper and planer. 03
OR
(a) List tool holding devices used on drilling machine. Explain sleeve and socket. 03
(b) Draw a block diagram of a double column planing machine. 03
OR
(b) Draw a block diagram of a slotting machine. 03
(c) State the difference between slotting and shaper machine. 04
OR
(c) Give the classification of milling machine. 04
(d) Explain knurling operation performed on lathe machine. 04
OR
(d) Explain angular milling with neat sketch. 04
Q.4 (a) Explain with neat sketch Three jaw chuck 03
OR
(a) Write short note on Steady Rest. 03
(b) List milling operations and Explain gang milling. 04
OR
(b) Explain up milling and down milling with neat sketch. 04
(c) Explain crank and slotted link quick return mechanism. 07
Q.5 (a) Enlist drilling machine operations and Explain counter boring. 04
(b) What is indexing ? Explain plain indexing method. 04
(c) Describe taper turning by swiveling the compound rest. 03
(d) Draw block diagram of radial drilling machine. Name the main parts. 03
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