1. What is an atom 72. Explain briefly the followings:(i) Unit cell(ii) Space lattice(iv) Crystallographic planes.(ii) Lattice parameters3. Discuss briefly the following structures for metallic elements:() Body centred cubic (BCC)(ii) Face centred cubic (FCC)(iii) Hexagon close-packed (HCP)4. What are Miller indices ? What is procedure for finding Miller indices?5. Discuss important features of Miller indices.6. How are crystallographic defect classified ?7. Explain briefly the following point defects :(1) Vacancy(ii) Schottky imperfections(iv) Frenkel defect.(ii) Interstitialcy8. Describe briefly the following line defects (disilocations) :(1) Edge dislocations.(ii) Screw dislocations.9. What is Berger's vector ?10. Give the comparison between edge disloçation and screw dislocations.11. Discuss briefly the following :(1) Surface defects.(ii) Volume defects or three dimensional defects12. Explain briefly the following :() Theory of dislocations.(i) Role and significance of dislocation.apter three MECHANICAL PROPERTIESCn otol ore:.

Answered: 1. What is an atom ?

Engineering

Mechanical Engineering

1. What is an atom ?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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