JNTU B.Tech II Semester Examinations, METAL FORMING, Aug/Sep 2008

JNTU B.Tech II Semester Examinations, METAL FORMING , Aug/Sep 2008 (Production Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks SET-III 1. (a) State the maximum shear stress criterion and derive it. (b) Explain why the elastic deformation does not disappear, even after the load which had caused … Read more

JNTU B.Tech II Semester Examinations, METAL FORMING, Aug/Sep 2008

JNTU B.Tech II Semester Examinations, METAL FORMING , Aug/Sep 2008 (Production Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks SET-IV 1. (a) Explain why plastic deformation arrests the fracure of a part. (b) Distigunish between the terms total elongation and uniform elongation. (c) Explain about the ‘NECKING’ … Read more

JNTU B.Tech II Semester Examinations, METAL FORMING, Aug/Sep 2008

JNTU B.Tech II Semester Examinations, METAL FORMING, Aug/Sep 2008 (Production Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks SET-I 1. Write short notes on the following: (a) anlastic behaviour (b) Toughness (c) yield criteria (d) ultimate tensile strength. [4×4]   2. (a) Explain the effects of % … Read more