 
			 
			MCQOPTIONS
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				| 1. | What is the value for α for diffused aeration for the following equation.α= KLA(wastewater) /KLA(Tap water) | 
| A. | 0.4-0.8 | 
| B. | 0.2-0.3 | 
| C. | 0.8-1 | 
| D. | >1 | 
| Answer» B. 0.2-0.3 | |