In the computation of engineering stress, the actual or instantaneous cross-sectional area is used.(a) True(b) FalseThe question was posed to me by my school teacher while I was bunking the class.This interesting question is from Relationship between Tensile and Shear Yield Stress in division Types of Die & Metal Forming Processes of Casting-Forming-Welding II

In the computation of engineering stress, the actual or instantaneous

1.	In the computation of engineering stress, the actual or instantaneous cross-sectional area is used.(a) True(b) FalseThe question was posed to me by my school teacher while I was bunking the class.This interesting question is from Relationship between Tensile and Shear Yield Stress in division Types of Die & Metal Forming Processes of Casting-Forming-Welding II
Answer» RIGHT option is (b) False The best I can EXPLAIN: The original cross SECTIONAL area is USED in the computation of engineering stresses. But in computation of TRUE stresses, the instantaneous cross-sectional area is used. Because of the length and cross-sectional area both changes at every instant during loading of material. The instantaneous load divided by instantaneous cross-sectional area is called true stress.

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