Entc 207 lab final exam Study guides, Class notes & Summaries
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ENTC 207 Lab Final Exam Questions With Correct Answers
- Exam (elaborations) • 2 pages • 2023
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stress - Answer force divided by area; calculate at each measurement interval 
 
strain - Answer (final length- original length)/original length 
 
Modulus of elasticity - Answer Stress/Strain in straight line portion of graph; can't calculate when graph is not straight (measure of stiffness) 
 
percent elongation - Answer final strain x 100% 
 
Proportional limit - Answer when the behavior is elastic but not proportional
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