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The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of ______________ mm ?
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The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of ______________ mm ?
A. 0.001
B. 0.01
C. 0.002
D. 0.02
Correct Answer:
0.002
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Last Updated:
February 08, 2019