My Profile
Active Members
TodayLast 7 Days
more...
Awards & Gifts
Online Exams
Fresher Jobs
Our fresher job section is exclusively for fresh graduates! Find jobs for freshers in major Indian
cities including Bangalore, Chennai, Hyderabad, Pune or Kochi
Resources
Find educational articles, blogs, discussion threads and other resources.
Colleges
Find details about any college in India or search for courses.
|
Download Model question papers & previous years question papers
|
Posted By: S.Aruljothi Member Level: Gold Posted Date: 02 Aug 2008
|
2007 Anna University B.E MY342 POWDER METALLURGY Question paper
MY342 POWDER METALLURGY
TIME – 3 Hours MAXIMUM : 100 Marks
PART – A (10 x 2 = 20 Marks)
ANSWER ALL QUESTIONS
1. Define the term "Powder Metallurgy".
2. List any four advantages of powder metallurgy
3. What are the limitations of powder metallurgy when compared to
conventional forming techniques.
4. Define specific surface area.
5. What are the factors that influence apparent density?
6. Define "sintering".
7. Briefly explain powder conditioning heat treatment.
8. What is the role of lubricants in powder compaction?
9. What do you mean by pressure-less shaping of powders?
10. What do you mean by "cermet", give one example.
PART - B (5 X 16 = 80 Marks)
11. Discuss four different methods of powder production.
Discuss the advantages and limitations of each one of them (16)
12. a. Discuss in detail different methods of sampling. (16)
( OR )
b. Explain the different stages of manufacturing of powder metallurgy component. (16)
13. a) (i) Discuss with one example, the principles of powder manufacturing
by the following methods Ball milling, Thermal decomposition,
Carbonyl process and Electrolysis. (8)
(ii) Discuss the characteristics of the powders produced by the above
methods. (8)
( OR )
b. (i) Discuss atomization process of producing powders and
its advantages? (8)
(ii) Discuss the type of equipment used and the factors influencing the
nature of powders (8)
14.a) Discuss in detail pressure-less compaction and pressure compaction
techniques. (16)
( OR )
b. Discuss hot isostatic pressing (HIP) and roll compacting methods of powder compaction. (16)
15. a) Discuss various stages of manufacturing sintered friction materials. (16)
( OR )
b) Discuss the production of cemented carbide tools (16)
Return to question paper search
|
|
|
Submit Previous Years University Question Papers and make money from adsense revenue sharing program
Are you preparing for a university examination? Download model question papers
and practise before you write the exam.
|
Watch TV Channels
|