Name1 - Name: Matthew Lingam Course: CE 270 Date of...

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Name: Matthew Lingam Course: CE 270 Date of Experiment: 2-18-10 Partners: Zach Williams, Matt Kulikowski Lab Instructor: Matthew Gilbertson
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Introduction : This lab investigated the amount of axial tension in three samples of metal when a load was applied to them through a hand crank. In the experiment the strain was measured by two strain gages on both sides of the metals. The crank was then turned to apply a load of 400 lbs to record the strain values; this was repeated in increments of 200 lbs and until 1600 lbs for all three samples of metal. These samples of metal included steel, aluminum, and brass. The goal of this is experiment was to experimentally find the modulus of elasticity by using the simple tension test. A prediction about this experiment is that it will be fairly accurate. The average percent error will be around 15%.
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Results : Material E exp (psi) E theo (psi) Percent Error Steel 27768000.0 30000000.0 7.4 Aluminum 9808100.0 10000000.0 1.9 Brass 15470000.0 15000000.0 3.1
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This note was uploaded on 03/24/2010 for the course ENGR 231 taught by Professor Weiss during the Spring '10 term at Purdue North Central.

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Name1 - Name: Matthew Lingam Course: CE 270 Date of...

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