QUIZ3-2006key

QUIZ3-2006key - PRINT NAME _ INTRODUCTION TO MATERIAL...

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PRINT NAME ________________________ INTRODUCTION TO MATERIAL SCIENCE MSE-150 QUIZ 3 I PLEDGE MY HONOR THAT I HAVE NEITHER GIVEN OR RECEIVED AID ON THIS EXAMINATION. I FURTHER PLEDGE THAT, IF I HAVE REASON TO SUSPECT THAT THE CODE HAS BEEN VIOLATED, I HAVE TAKEN OR WILL TAKE ACTION AS OUTLINED IN THE CODE. SIGNATURE _________________________ (2 points) What is the family of close packed directions <uvw> where the atoms are making contact in face centered cubic (FCC) crystals? a) <001> b) <011> c) <111> (1 point) How many unique directions including both positive and negative that are equivalent crystallographically, belong to this close packed FCC family? a) 4 b) 6 c) 8 d) 12 (2 points) What is the family of close packed directions <uvw> where the atoms are making contact in body centered cubic (BCC) crystals? a) <001> b) <011> c) <111> (1 point) How many unique directions including both positive and negative that are equivalent crystallographically, belong to this close packed BCC family? a) 4
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