【Daily Question】Utilities - Water Supply and Drainage - 20191120
Thread Content
The construction and piping of domestic water storage tanks should comply with the following regulations; among them, ( ) is incorrect. A. Manholes, vent pipes, and overflow pipes should have measures to prevent insects from entering the tank. B. The inlet pipe should be connected below the overflow level of the tank. C. The layout of inlet and outlet pipes must not allow for short circuits in water flow; guide devices should be installed if necessary. D. The outlets of the drain pipes and overflow pipes must not be connected directly to drainage structures or pipes; indirect drainage methods should be used. Answer: B
B. The water inlet pipe should be connected below the overflow level of the tank
D. The outlets of the vent pipes and overflow pipes shall not be connected directly to drainage structures or drainage pipes; an indirect drainage method shall be employed