Question:medium

In Dynamic hardness testing, the hardness is measured by

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Dynamic hardness tests are energy-based, not indentation-size based.
Updated On: Jun 29, 2026
  • Size of the permanent indentation produced under a static load
  • Resistance to plastic deformation
  • Energy of impact
  • Diagonal length of the indentation by a pyramidal indenter
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The Correct Option is C

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