Post-lab Questions:1- Use stress, and strain calculated by the machine to calculate modulus of elasticity for all specimens.2- Discuss the calculated modulus of elasticity and try to identify the material of the sample.3- What is the ultimate strength and how can be determined?4- Determine the type of materials being tested – Is it brittle or ductile?5- Account of all possible errors in this experiment.6- Draw the stress/strain diagram using data from load/extension graph (this graph will be given after the experiment).7- Determine the following properties based on the graph obtained on 7:1. Ultimate Strength2. Yield strength3. Proportional Limit Stress4. Rupture5. Offset Strain (typically 0.002).
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