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Q: A material that undergoes permanent deformation without rupture is called:
  • A. elastic material
  • B. ductile material
  • C. brittle material
  • D. plastic material
Correct Answer: Option D - Plasticity - The Plasticity of a material is its ability to undergo some degree of permanent deformation without rupture or failure. Elasticity - The Property of material by virtue of which deformation caused by applied loads disappears after removal of load.
D. Plasticity - The Plasticity of a material is its ability to undergo some degree of permanent deformation without rupture or failure. Elasticity - The Property of material by virtue of which deformation caused by applied loads disappears after removal of load.

Explanations:

Plasticity - The Plasticity of a material is its ability to undergo some degree of permanent deformation without rupture or failure. Elasticity - The Property of material by virtue of which deformation caused by applied loads disappears after removal of load.