ME2253 Engineering Materials and Metallurgy Anna University Nov/Dec 2014 Question Paper - Reg 2008

ME2253 Engineering Materials and Metallurgy

Nov/Dec 2014 Question Paper

4th Semester Mech - Reg 2008

PART A - (10 x 2 = 20 marks)
1. Define Eutectoid
2. What is Peritectoid reaction?
3. Define Recystallisation.
4. What isHardenability?
5. What is Twinnin?
6. What is Charpy?
7. What is HSLA?
8. Precipitation Hardening - Define.
9. What is Polymer?
10. What is Fibre reinforced plastics?

PART B - (5 x 16 = 80 marks)
11. (a) What is Interstitial and explain? Explain in detail about Eutectic reactions.

Or

(b) Draw Iron Carbide diagram and explain.

12. (a) Explain in detail about Spheridizing. What is tempering .of Steel? Explain.

Or

(b) What is CCR? Write .difference between Normalising and Tempering.

13. (a) What is Slip? Explain in detail of Testing of materials under shear loads.

Or

(b) Define Hardness. Explain Fatigue and Creep Tests.

14. (a) (i) What is ~CuproniCkel?Explain its applications.
(ii) Effect of Si on steel=-Discuse.

Or

(b) Write short notes on the following:
(i) Tool steels
(ii) Whlte malleable Iron
(iii) Bearing Alloys.

15. (a) Explain in detail the following:
(i) PET
(ii) .PC
(iii) ABS.

Or

(b) Write short notes on
(i) Phenol Formaldehydes
(ii) Applications of PMMA and PPO.