 
			 
			MCQOPTIONS
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				| 1. | Which of these represent the settling velocity of tubesettlers? | 
| A. | 11-15 m<sup>2</sup>/mm<sup>3</sup> | 
| B. | 20-25 m<sup>2</sup>/mm<sup>2</sup> | 
| C. | 40-45 m<sup>2</sup>/mm<sup>2</sup> | 
| D. | 30-35 m<sup>2</sup>/mm<sup>2</sup> | 
| Answer» B. 20-25 m<sup>2</sup>/mm<sup>2</sup> | |