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Posted By: sunil Member Level: Diamond Posted Date: 01 Aug 2008
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2006 Jawaharlal Nehru Technological University II B.Tech II Semester Regular Examinations, Apr/May 2006, MACHINE TOOL ENGINEERING (Production Engineering) Set No. 3 Question paper
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Code No: RR222002 Set No. 3
II B.Tech II Semester Regular Examinations, Apr/May 2006
MACHINE TOOL ENGINEERING
(Production Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) Discuss various types of cutting fluids. [8]
(b) Explain about Machineability index. [8]
2. Write short notes on the following [4x4=16]
(a) Lathe carriage
(b) Cross slide
(c) Tool post
(d) Compound rest
3. What is Swiss automatic screw machine? How it functions and what are its main
applications? [16]
4. (a) How do you classify the different types of shapers? [6]
(b) Explain with the help of a neat sketch, the working principle of a shaper. [10]
5. (a) Write a brief note on the various work holding devices of a drilling machine
[7]
(b) Describe the following types of drills in brief [9]
i. Core drill
ii. Multi diameter drill
iii. Chip breaker drill
6. (a) What are the differences between bed type and planar type milling machine.
[8]
(b) List the various precautions in use of milling cutters. [8]
7. Write a short note on the following [4x4=16]
(a) Brazed carbide tools
(b) Grade of grinding wheel
(c) Geometry of a single point turning tool
(d) Surface grinding machines
8. (a) What are the advantages and disadvantages of four locating points in a plane.
(b) Explain clearly how can be determined that the Jigs and fixtures for a partic-
ular application will be economical.
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