Hardness in Material Science
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Questions and Answers

What does hardness measure?

  • Ability to conduct electricity
  • Resistance to temperature changes
  • Ability to withstand pressure
  • Resistance to abrasion, penetration, cutting action, or permanent distortion (correct)

    • What property does hardness indicate?

  • The color of the material
  • The density of the material
  • The force at which a material permits penetration of another material through its surface (correct)
  • The volume of the material

    • Why is hardness important in materials?

  • It helps in determining the material's resistance to wear and tear (correct)
  • It affects the material's color
  • It determines the material's ability to conduct heat
  • It impacts the material's flexibility

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