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

Code No: RR312101 Set No.1
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
? ? ? ? ?
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) What is weld ability? discuss in detail on ELECTRO-SLAG WELDING
processes.
(b) discuss briefly about the various ways of metal transfer in arc welding?
3. With reference to relative motion ranging from cutting tool and work piece, classify the
various machining operations?
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) discuss the effect of different cutting parameters in USM with improper
figures?
(b) elaborate the latest developments in USM?
(c) Write short notes on the following:
i. Application of USM?
ii. Limitations of USM process.
7. (a) Compare the process characteristics of ECM and EDM
(b) provide the applications of EDM?
8. (a) discuss the mechanism involved in sintering?
(b) elaborate the advantages and limitations of powder metallurgy? discuss in
detail?

Earning:   Approval pending.