 
			 
			MCQOPTIONS
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				| 1. | In AJM, which of the following materials are used as abrasive grains? | 
| A. | Al<sup>2</sup>O<sup>3</sup> | 
| B. | SiC | 
| C. | Glass beads | 
| D. | All of the mentioned | 
| Answer» E. | |