quiz1s202 - c. modulus (c ) 7. Attractive potential that is...

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Home Introduction Policies Resources Requirements & Grading Syllabus Assignments Handouts Discussion Web Links Distance Learners Contact MSE 200 MSE 200 Quiz 1
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1. Water molecules are an example of dipoles that are a. temporary b. permanent c. permanent when they come closer (b ) 2.Example of covalent solids is a. silicon b.gold c. NaCl (a) 3. Electrical conductivity of metals compared to that of semiconductors is a. very low b. equal c. much higher ( c) 4. Ceramic materials under ionic bonding exhibit a. poor ductility b. high ductility c. high ductility at low temperature (a ) 5. Number of free electrons in an ionic solid are a. very high b. none c. high at lower temperature (b ) 6. The slope of the inter atomic force against atomic separation graph is a. theoretical strength b. thermal expansion coefficient
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Unformatted text preview: c. modulus (c ) 7. Attractive potential that is responsible for the ions to come closer is a. short range b. long range c. positive in sign (b ) 8. Corrosion resistance of many metals is a. good b. poor c. good at higher temperature (b ) 9. With increasing temperature, the average velocity of electrons in solids a. increases b. decreases c. remains constant (b ) 10. The term kT where k is the Boltzmann's constant and T is the temperature is a. thermal energy b. thermal expansion coefficient c. a constant in the Coulomic forces between ions ( a) 11.Bonus question: The reason I am taking the MSE 200 is a. it is interesting b. complete the coursework requirements c. materials are needed everywhere and in engineering and better learn ( )...
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quiz1s202 - c. modulus (c ) 7. Attractive potential that is...

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