 
			 
			MCQOPTIONS
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				| 1. | Which of the following methods consume the least power? | 
| A. | Aerated lagoon | 
| B. | Aerated lagoon carried out facultatively | 
| C. | Aerated lagoon with solid recycling | 
| D. | Upflow anaerobic sludge bed digestor | 
| Answer» C. Aerated lagoon with solid recycling | |