 
			 
			MCQOPTIONS
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				| 1. | Estimate the hydraulic depth for a most economical circular channel section in case of maximum velocity. | 
| A. | 0.2D | 
| B. | 0.3D | 
| C. | 0.4D | 
| D. | 0.5D | 
| Answer» C. 0.4D | |