MTLS 1M03 Assignment 1 Attempt1

MTLS 1M03 - Learning System Quiz Homepage http/webct.mcmaster.ca/SCRIPT/MATLS_1M03_T2_09/scripts/student View Results Assignment 1(Ch 2 3 Name

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Name: SIAMAK KIANI Attempt: 1 / 3 Out of: 15 Started: January 8, 2009 1:14pm Finished: January 19, 2009 11:49pm Time spent: 274 hr, 34 min., 29 sec. Read these instructions before you start this assignment: All questions in this and future assignments relate to what we've been learning in class. Use the lecture notes and textbook as references. If you get stuck, remember that the TA's at the Drop-In Centre can help you, as well as your professor's office hours. The hours and location of the Drop-In Centre are given on the " Getting Help " page. Remember that you don't have to do all the questions at the same time. Save your answers as you go. You can leave and log back in later. The answers you saved will still be there. When you're done all the questions, don't forget to use the Finish button. NOTE: all angles should be entered into trig functions in radians. Question 1 (1 point) How many atoms per unit cell does an FCC (face-centred cubic) crystal structure have? Student response: Correct Response Student Response Answer Choices a. 2 b. 3 c. 4 d. 5 e. None of the above. General feedback: See page 34 of the text. Score: 1 / 1 Question 2 (1 point) Which of the following are examples of materials having FCC (face-centred cubic) crystal structures at room temperature? Student response: Correct Response Student Response Answer Choices a. magnesium, titanium, zinc b. chromium, iron, tungsten c. gold, aluminum, copper General feedback: See page 34 of the text. Score: 1 / 1 Question 3 (1 point) True or False: Noncrystalline materials have grain boundaries. Student response: Correct Response Student Response Answer Choices a. True b. False General feedback: Since noncrystalline materials do not have grains (i.e. a collection of small crystals), they cannot have grain boundaries. Score:
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This note was uploaded on 02/08/2010 for the course MATLS 1M03 taught by Professor Okon during the Winter '09 term at McMaster University.

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MTLS 1M03 - Learning System Quiz Homepage http/webct.mcmaster.ca/SCRIPT/MATLS_1M03_T2_09/scripts/student View Results Assignment 1(Ch 2 3 Name

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