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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. 3
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) Discuss about various cutting tool materials. [8]
(b) What is machine tool? How it differs from machine? [8]
2. (a) Describe briefly about taper turning methods? [8]
(b) What are the different types of Lathe attachments? Discuss them briefly. [8]
3. How do you classify turret lathes? Give a brief description of different types. [16]
4. (a) How is shaping machine specified? [4]
(b) Describe with help of neat sketch, principal parts of shaper? [12]
5. (a) What is meant by deep hole drilling? [4]
(b) Explain clearly the construction and working principle of a deep hole drilling
machine. [12]
6. (a) Explain the applications and differences with neat sketches, the following with
reference to milling: [10]
i. Straddle milling
ii. Gang milling
(b) Sketch typical set up for [6]
i. Reciprocal milling
ii. String milling
7. (a) What are the various abrasive machining operations you are familiar with?
Explain their applications & limitations. [8]
(b) What for lapping is used? How much stock is left for lapping? How does it
differ from grinding? What are its advantages and disadvantages? [8]
8. (a) What is the best method to locate a rough surface? [6]
(b) What are the causes of errors in the design and operation of jigs and fixtures?
What measures should be taken to minimize the effects of the causes of errors?
[10]
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