Jawaharlal Nehru Technological University Hyderabad 2005-1st Sem B.Tech Aeronautical Engineering IIISupplementary s, il/ - AIRCRAFT PRODUCTION TECHNOLOGY - exam paper

Code No: RR312101 Set No.3
III B.Tech. I Semester Supplementary Examinations, May -2005
AIRCRAFT PRODUCTION TECHNOLOGY
(Aeronautical Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
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1. (a) discuss “Dendritic” Solidification in sand castings.
(b) define the need of investment casting process in Aircraft industry. discuss
the investment casting process
2. (a) How are neutral, oxidizing and reducing flames found in a welding torch?
Explain?
(b) What is the principal of operation of electric arc welding? elaborate the
equipments used in this?
3. discuss various kinds of chip forming and chipless forming processes Used in
manufacturing
4. (a) Enumerate various operations that can be done on a drilling machine
(b) List different work holding and tool holding devices used in drilling machines
5. (a) Briefly discuss the basic components of CNC systems? Bring out the general
relationship among these basic components with a neat figure?
(b) discuss the applications and economics of usage of CNC machines?
(c) Bring out the advantages and disadvantages of CNC?
6. (a) explain abrasive jet machining (AJM) with a neat sketch.
(b) elaborate the advantages, and disadvantages of AJM.
(c) elaborate the applications and limitations of AJM Process.
7. (a) discuss how EBM process is carried out?
(b) How do you assess the accuracy of EBM process? discuss
8. (a) discuss the mechanism involved in sintering?
(b) elaborate the advantages and limitations of powder metallurgy? discuss in
detail?

Earning:   Approval pending.