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A specimen of metal of original length 125mm and original diameter 27mm was subjected to tensile a test. The load and extension at the limit of proportionality were found to be 114,500N and 0.075mm. The yield point was at a load of 147,000N. The maximum load before the material failed was 205,000N. The final length at failure was 134mm. Calculate: i. The stress at the limit of proportionality. ii. The yield stress. iii. The ultimate tensile stress. iv. The value of Young’s Modulus. v. The strain at failure.
Sagot :
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