The Rockwell hardness scale is divided into 100 equal division, with e – McqOptions

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1.	The Rockwell hardness scale is divided into 100 equal division, with each division representing a depth of __________
A.	0.002 mm
B.	0.001 mm
C.	0.01 mm
D.	1 mm
Answer» B. 0.001 mm

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