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16 August, 02:06

Engineering stress and strain are calculated using the actual cross-sectional area and length of the specimen. a. True b. False?

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  1. 16 August, 05:11
    0
    False

    Explanation:

    True stress and strain are what are calculated by diving applied load by actual cross sectional area and change in length by length of specimen respectively. However, for engineering stress and strain, we use original area and original length. Generally, engineering Stress is always greater than the corresponding True Stress because the actual area increases due to Poisson's effect.
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