 
			 
			MCQOPTIONS
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				| 1. | Which of the following hardness is least affected by surface scratched and local inhomogeneity of the material? | 
| A. | Brinell hardness | 
| B. | Mayer hardness | 
| C. | Rockwell hardness | 
| D. | Vickers hardness | 
| Answer» B. Mayer hardness | |