1. Which material is a better conductor of electricity?(a) Metals (b) Ceramics (c) Polymers (d) composite2. Which material tends to present lower density?(a) Metals (b) Ceramics (c) Polymers (d) composite3. Electron sea exists in(a) Hydrogen bond (b) lonic bond (c) Covalent bond (d) Metallic bond4. Burger's vector changes with(a) Kind of dislocation (b) Length of dislocation (c) Both kind and length of dislocation(d) None5. Metals are malleable and ductile because(a) Metals can be shine (b) Metals produce sound (c) Layers of metal atoms can slipover each other (d) Opaque.6. Effective number of atoms in a face centered cubic (FCC) unit cell is equal to(a) 4 (b) 1 (c) 8 (d) 27. Lead is a metallic crystal having astructure.(a) FCC(b) ВСС(c) HCP(d) Sc8. Amorphous solids havestructure.(a) Regular(b) Linear(c) Irregular(d) Crystal9. Percentage of free space in a body center cubic (BCC) unit cell is.(a) 30 (b) 32 (c) 28 (d) 2010. Fiberglass is an example of(a) Metal(b) Composites(c) Ceramics(d) Polymers

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Answered: 1. Which material is a better conductor…

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter4: Numerical Analysis Of Heat Conduction

Section: Chapter Questions

Problem 4.52P

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