 
			 
			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 | |