PracticeExam1 - MAT 033 Engineering Materials and Processes...

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Unformatted text preview: MAT 033 Engineering Materials and Processes Fall 2010 First Quiz Monday 4 th October 2010, 11.10am-12.00pm NAME .. Section Professor Rickman Th 12.10pm .. Q1.. Professor Watanabe Th 1.10pm .. Q2. Professor Vinci Fr 9.10am .. Q3.. Professor Rickman Fr 10.10am .. Q4.. Professor Kovalskyy Fr 11.10am .. Total...% Closed book exam. Please write your final answers in the blanks provided, where appropriate. Partial credit for questions will only be considered if your workings are shown. Calculator policy: I have cleared my calculators memory prior to taking this exam. Signature ________________ Useful equations = nA V c N A N v = N exp- Q v kT C 1 ' = C 1 A 2 C 1 A 2 + C 2 A 1 100 n w = M w m m M n n n = N d r = ( 29 ( 29 100 % -- = a c s a s c C %I = 1- exp- . 25 ( 29 A- B ( 29 2 { } [ ] 100 Useful constants Avagadros number, N A 6.023 x 10 23 atoms/mol Boltzmanns constant, k 8.62 x 10-5 eV/atom-K 1.38 x 10-23 J/atom-K Gas constant, R 8.31 J/mol-K 1 1. Crystallography and Bonding [26 points] a.) z What is the crystallographic direction shown in the diagram above? (circle one) i.) [ 1 ] ii.) [ 6 ] iii.) [ 6 1] iv.) [6 1 1] b.) z What are the Miller indices for the plane shown in the figure above? (circle one) i.) ( 3) ii.) (3 2) iii.) (3 2) iv.) (4 3) c.) What is the angle between the [111] and the [112] directions in a cubic unit cell? (circle one) 2 2/3 x y y x 1/2 1/33 1/2 i.) 19.5 o ii.) 45.0 o iii.) 48.2 o iv.) 77.3 o d.) What bonding type(s) would be expected for the following materials?...
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This note was uploaded on 12/18/2011 for the course MATH 023 taught by Professor Napier during the Fall '08 term at Lehigh University .

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PracticeExam1 - MAT 033 Engineering Materials and Processes...

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