 
			 
			MCQOPTIONS
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				| 1. | Surface renewal theory predicts that the mass transfer coefficient is | 
| A. | directly proportional to the square root of the molecular diffusivity | 
| B. | inversely proportional to the square root of the molecular diffusivity | 
| C. | directly proportional to the cube root of the molecular diffusivity | 
| D. | indirectly proportional to the cube root of the molecular diffusivity | 
| Answer» B. inversely proportional to the square root of the molecular diffusivity | |