ME6403 EMM Important Questions, ENGINEERING MATERIALS AND METALLURGY Answer Key – MECH 4th SEM Anna University

ME6403  EMM Important Questions

Anna University Regulation 2013 Mech ME6403  EMM Important Questions for all 5 units and MECH 4th SEM ME6403  ENGINEERING MATERIALS AND METALLURGY  Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.

ME6403  EMM Important Questions

UNIT 1.ALLOYS AND PHASE DIAGRAM

PART- A (2 Marks)

1. Classify Peritectic and Peritectoid reactions.
2. Compare steel and cast iron. Also classify the steel with respect to carbon percentage.
3. Define the following terms Solid Solution and Polymorphism.
4. Discuss about interstitial solid solutions and interstitial compounds.
5. Differentiate between eutectic and eutectoid phase reactions.
6. Illustrate carbon solubility is more in austenite.
7. List the advantages of alloy steel as compared to plain carbon steels.
8. Name and explain any one type of binary solid to solid state transformation reaction with ideal phase diagram.
9. Discuss the rules governing the formation of solid solution.
10. Quote the equation for GIbbs Rule.

11. Tell with reference to hypo eutectoid, hyper eutectoid steels?
12. Illustrate the cooling curve for pure metal, binary solid solution and binary eutectic system.
13. Infer notes on 1.Cementite. 2. Pearlite 3. Bainite.
14. Define allotropy of iron.
15. Define phase diagram? and its importance.
16. Show nodular cast iron is called ductile cast iron?
17. Describe the effect of additions of chromium on the characteristics of steel?
18. Explain the effects of crystal structure and atomic radii on formation of solid solution between two metallic elements.
19. .Explain with an example of eutectoid reaction
20. Mention few applications of the (a) Low carbon steel (b) Medium carbon steel (c) High carbon steel.

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ME6403  Answer Key, EMM Unit wise Important Questions- MECH 4th Semester