 
			 
			MCQOPTIONS
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				| 1. | What is the depth of flow in case most economical circular section considering maximum velocity? | 
| A. | 0.61D | 
| B. | 0.71D | 
| C. | 0.81D | 
| D. | 0.91D | 
| Answer» D. 0.91D | |