MATLS 1M03 - WebCT - Assignment 6 - Try 3

MATLS 1M03 - WebCT - Assignment 6 - Try 3 - WebCT Quiz...

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WebCT Quiz Homepage http://webct.mcmaster.ca/SCRIPT/MATLS_1M03_T2_07/scripts/student. .. 1 of 5 4/6/2007 6:54 AM View Results Name: AARON MURENBEELD Attempt: 3 / 3 Out of: 13 Started: April 6, 2007 5:15am Finished: April 6, 2007 6:54am Time spent: 1 hr, 39 min., 5 sec. Question 1 (1 point) In which of the following environments do nickel and its alloys perform extremely well? Student response: Correct Response Student Response Answer Choices a. Acidic b. Basic c. Neutral General feedback: Nickel and its alloys perform very well in basic environments . For more information, see the section on Nonferrous Alloys in the text. Score: 0 / 1 Question 2 (1 point) True or False? For precipitation hardening, artificial aging is carried out at room temperature whereas natural aging is carried out at an elevated temperature. Student response: Correct Response Student Response Answer Choices a. True b. False General feedback: False . Just the reverse is true: Artificial aging is carried out at an elevated temperature whereas natural aging is carried out at room temperature . For more information, see the section on Precipitation Hardening in the text. Score: 1 / 1 Question 3 (1 point) Based on a specimen's surface area to mass ratio, which geometrical shape is more amenable to hardening by quenching ? Student response: Correct Response Student Response Answer Choices a. Regular and rounded. b. Irregular with edges and corners. General feedback: Irregular shapes with edges and corners are more amenable to hardening by quenching. They have larger surface area to mass ratios than regular and rounded shaped objects. For more information, see the section on
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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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MATLS 1M03 - WebCT - Assignment 6 - Try 3 - WebCT Quiz...

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