Which of the following is true regarding engineering stress-strain curve?(a) it gives true indication of deformation characteristics of metal because it is entirely based on true dimensions of specimen(b) it does not gives true indication of deformation characteristics of metal because it is entirely based on true dimensions of specimen(c) it gives true indication of deformation characteristics of metal because it is not entirely based on true dimensions of specimen(d) it does not gives true indication of deformation characteristics of metal because it is not entirely based on true dimensions of specimenThis question was addressed to me during an interview for a job.I need to ask this question from Behavior and Design Strength of Tension Members topic in section Design of Tension Members of Design of Steel Structures

Which of the following is true regarding engineering stress-strain cur

1.	Which of the following is true regarding engineering stress-strain curve?(a) it gives true indication of deformation characteristics of metal because it is entirely based on true dimensions of specimen(b) it does not gives true indication of deformation characteristics of metal because it is entirely based on true dimensions of specimen(c) it gives true indication of deformation characteristics of metal because it is not entirely based on true dimensions of specimen(d) it does not gives true indication of deformation characteristics of metal because it is not entirely based on true dimensions of specimenThis question was addressed to me during an interview for a job.I need to ask this question from Behavior and Design Strength of Tension Members topic in section Design of Tension Members of Design of Steel Structures
Answer» Right OPTION is (b) it does not gives TRUE INDICATION of DEFORMATION characteristics of metal because it is entirely based on true dimensions of specimen Easiest explanation: The engineering stress-strain curve does not provide true indication of deformation characteristics of metal. It is entirely based on true dimensions of specimen and these dimensions change continuously as the load increases.

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