Mid Term Test 2 2002 Solutions

Mid Term Test 2 2002 Solutions - Engin / Mater 2O03...

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Engin / Mater 2O03 Mid-Term Page 1 of 4 Name:_________________________ Student No.:____________ Tutorial No.:_____ (Last name, first name) Materials 2O03 / Engineering 2O03 Term Test #2 (2002) Duration: 60 minutes Aids allowed: 1 page crib sheet, nominally 8½ by 11 in. McMaster standard Casio FX-991 calculator Be sure to show your work so that part marks can be awarded for incomplete answers. Be sure to include units with all answers that require them. Marks will be deducted for using an inappropriate number of significant digits in your final answer. For multiple choice questions: Circle the letter(s) to indicate your answer Marks will be deducted for incorrect answers – circle only those for which you are confident of the answer. Total marks: 40 1. [4 marks] On the tensile engineering stress-strain curve shown below carefully label the following points. Be sure to mark stress values on the stress axis and strain values on the strain axis. a) yield stress (mark as ‘Y’) b) ultimate tensile stress (mark as ‘U’) c) elongation (mark as ‘E’) In the case of the yield stress show graphically how you determine this point. Question Mark 1 2 3 4 5 6 7 TOTAL
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Engin / Mater 2O03 Mid-Term Page 2 of 4 Note: The elongation is represented by the engineering strain at fracture less the
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This note was uploaded on 02/13/2010 for the course ENGINEERIN 1m03 taught by Professor Porove during the Spring '10 term at McMaster University.

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Mid Term Test 2 2002 Solutions - Engin / Mater 2O03...

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