ENGIN 45 Midterm: e45-fa2014-mt1-Gronsky-soln

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8 Jan 2019
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This is a 50 minute examination with 4 equally weighted problems. Do not open these pages until start is announced. Print your name clearly and legibly at the top of this page, Silence your mobile phones and other electronic devices, Store all belongings under your seat and out of sight, and. Only writing instruments / eraser / straightedge are allowed. The media consults you for your engineering expertise about the steel used in the construction of the new. Strawberry creek bridge, for which the stress-strain curve shown here is provided. There are three (3) answers to your astute question, because strength can be defined in three different ways. Fortunately because of the data provided to us in the stress-strain curve, we can specify all three, and those are the yield strength, the ultimate strength, and the fracture strength. Yield strength is defined as the value of stress causing a material to deform permanently.