q5f03 - hexagonal structure both have valency 2 size factor...

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Home Introduction Policies Resources Requirements & Grading Syllabus Assignments Handouts Discussion Web Links Distance Learners Contact MSE 200 MSE 200 Quiz 5
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1. An alloy with a single melting point is present in a. isomorphous system b. eutectic system ( b) 2. Lever rule is always applied in a. single phase region b. two-phase region (b ) 3. Lamellar composites (composites made of platelets) are made at a. hypo-eutectic region b. eutectic region c. hyper-eutectic region (b ) 4. Mg and cadmium are both metals and take up close packed
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Unformatted text preview: hexagonal structure, both have valency 2, size factor is 10%. You can expect a. isomorphous system b. limited solubility c. no solubility (a ) 5. An alloy chosen with composition in the region of terminal solid solution with a sloping solvus line is stronger because a. it is cooled slowly b. it is quenched and heated to get very fine precipitates c. it forms a eutectic micro- structure ( b) 6. Bonus: All castings are made in the a. hypoeutectic b. hypereutectic region c. eutectic region ( c)...
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q5f03 - hexagonal structure both have valency 2 size factor...

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