Engineering stress-strain curve for a metal under two conditions. A and B, are shown is the following figures. Identify the correct statement.
Miscellaneous in Metallurgy mcq question image

Engineering stress-strain curve for a metal under two conditions. A and B, are shown is the following figures. Identify the correct statement.
Miscellaneous in Metallurgy mcq question image Correct Answer The toughness of the material is higher in condition B than in conditon A

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A simplified energy band-diagram of an intrinsic semiconductor at thermal equilibrium (300 K) is shown. In the accompanying table, which one of the four cloumns correctly represents the listed parameters? Assume same effective mass for electrons and holes.
Physics of Metals in Metallurgy mcq question image