The difference in one unit of Rockwell hardness number co... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of ______________ mm ?

Correct answer: C

Explanation

A difference of one unit in Rockwell hardness corresponds to a depth change of 0.002 mm.

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