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Ciscoure https.//ken esaw.view.usa.edu.'d h My Home Strength of Materials Chinemerenna Ahanotu 3/7/2018 Log out Strength of Materials Lab Section 01 Spring Semester 2018 CO KENNESAW STATE UNIVERSITY course Home Content -Discussions Assignments Quizzes Other Classlist Grades 3132 SoM Lab_Midterm -Quiz Time Limit: 1:00:00 Time Left: 0:53:42 Chinemerenna Ahanotu: Attempt 1 Questions 0 of 12 questions saved Page 1: Question 5 (1 point) In an axial tensile test the initial diameter was 0.506 inches and at failure the neck diameter was 0.312 inches Determine the percent reduction in the cross sectional area 1 2 3 45 6 78910 0 a) 38.3% b) 61.7% c) 62.0% d) 62.2% 11 12 Quiz Status Quiz Started Save

Explanation / Answer

Reduction in cross section area= (intiain area- neck area)/initial area

=( Di^2-Dn^2)/Di^2

= (0.5062-0.3122)/0.5062

= 0.6198

=61.98%

= 62%

Thus (c) 62%

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