 
			 
			MCQOPTIONS
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				| 1. | Statement 1: Where Pg is power for a gassed system and Po is power for an ungassed system, Pg/Po is _____Statement 2: Na stands for _____ | 
| A. | < 1, aeration number | 
| B. | > 1, aeration number | 
| C. | < 1, consistency index | 
| D. | > 1, consistency index | 
| Answer» B. > 1, aeration number | |