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Posted By: srinivas Member Level: Gold Posted Date: 29 May 2008
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2007 Andhra Pradesh State Jawaharlal Nehru Technological University Production II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007 MACHINE TOOL ENGINEERING Question paper
Code No: RR222002 Set No. 2
II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007
MACHINE TOOL ENGINEERING
(Production Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. (a) Explain terms speed, feed and depth of cut as applicable in metal cutting. [6]
(b) What are various sources of heat generation in metal cutting? Explain. [10]
2. (a) Explain the working of split nut. Why it is used? [8]
(b) Distinguish between the steady and follower rests. [8]
3. (a) Differentiate between parallel action and progressive action multiple spindle
automatics. [8]
(b) What are relative advantages and disadvantages of single spindle and multi
spindle automatics. [8]
4. (a) What is planer? Illustrate and describe its working principle. [8]
(b) Give detailed classification of planer machines. [8]
5. (a) Give the detailed classification of reamers [8]
(b) Explain the following related to reamers [8]
i. Left and right hand reamers
ii. Left and right hand helix in reamers
Explain their application.
6. (a) Explain clearly what is meant by milling. [6]
(b) Give a brief classification of various milling machines used in the industry
giving a brief note on the application. [10]
7. (a) Explain what is meant by internal centreless grinding ? [6]
(b) Explain with neat sketches various types of internal grinders. [10]
8. (a) Explain clearly Honing tools with neat sketches . [12]
(b) State the differences between Honing and Lapping. [4]
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