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Q: What is the term used for maximum stress attained by a material before rupture?
  • A. Tensile stress
  • B. Compressive stress
  • C. Working stress
  • D. Ultimate stress
Correct Answer: Option D - Maximum stress attained before fracture or rupture is known as ultimate strength (tensile, compressive and shear) of the material.
D. Maximum stress attained before fracture or rupture is known as ultimate strength (tensile, compressive and shear) of the material.

Explanations:

Maximum stress attained before fracture or rupture is known as ultimate strength (tensile, compressive and shear) of the material.