MTLS 1M03 Assignment 1 Attempt4

MTLS 1M03 Assignment 1 Attempt4 - Learning System Quiz...

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View Results Name: IMAN LAU Attempt: 1 / 3 Out of: 15 Started: January 12, 2009 12:41am Finished: January 17, 2009 9:09pm Time spent: 140 hr, 27 min., 28 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 a BCC (body-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 36 of the text. Score: 1 / 1 Question 2 (1 point) Which of the following are examples of materials having BCC (body-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 36 of the text. Score: 1 / 1 Question 3 (1 point) True or False: Noncrystalline materials do not display the phenomenon of allotropy (polymorphism). Learning System Quiz Homepage http://webct.mcmaster.ca/SCRIPT/MATLS_1M03_T2_09/s. .. 1 of 7 1/20/09 1:59 AM
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Student response: Percent Value Correct Response Student Response Answer Choices 100.0% a. True 0.0% b. False General feedback: Since a noncrystalline material does not have a defined crystal structure, it cannot have more
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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 Assignment 1 Attempt4 - Learning System Quiz...

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