 
			 
			MCQOPTIONS
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				| 1. | What is the value for for diffused aeration for the following equation. = KLA(wastewater) /KLA(Tap water) | 
| A. | t0.4-0.8 | 
| B. | t0.2-0.3 | 
| C. | t0.8-1 | 
| D. | t>1 | 
| Answer» B. t0.2-0.3 | |