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Q: Which point on the stress strain curve represents the maximum stress that a material can withstand without permanent deformation.
  • A. Yield point
  • B. Elastic limit
  • C. Proportionality limit
  • D. Ultimate strength
Correct Answer: Option B - Elastic limit– The elastic limit is the maximum stress which the material can withstand without causing permanent deformation which remains after removal of stress. Yield strength– It is the stress at which a material exhibits a specified limiting permanent set.
B. Elastic limit– The elastic limit is the maximum stress which the material can withstand without causing permanent deformation which remains after removal of stress. Yield strength– It is the stress at which a material exhibits a specified limiting permanent set.

Explanations:

Elastic limit– The elastic limit is the maximum stress which the material can withstand without causing permanent deformation which remains after removal of stress. Yield strength– It is the stress at which a material exhibits a specified limiting permanent set.