 
			 
			MCQOPTIONS
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				| 1. | What is the velocity considered for a flotation thickener to remove oil? | 
| A. | 8 L/m<sup>2</sup>/min -160 L/m<sup>2</sup>/min | 
| B. | 180 L/m<sup>2</sup>/min | 
| C. | 200 L/m<sup>2</sup>/min-250 L/m<sup>2</sup>/min | 
| D. | 2 L/m<sup>2</sup>/min-8 L/m<sup>2</sup>/min | 
| Answer» B. 180 L/m<sup>2</sup>/min | |