 
			 
			MCQOPTIONS
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				| 1. | In the two-pipe system for the drainage of buildings, the discharge from the waste pipe is disconnected from the drain by using __________ | 
| A. | Gully trap | 
| B. | Silt trap | 
| C. | Floor trap | 
| D. | Grease trap | 
| Answer» B. Silt trap | |