[Utilities – Water Supply and Drainage Section] 20181124

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Urban water supply networks should be designed as (), and when intermittent water supply is permitted, they can be designed as (), but the possibility of connecting them into () in the future should be taken into account. a. Circular pipe network ； Dendritic pipe network ； Ring-shaped pipeline network b, tree-shaped pipeline network ； circular pipe network ； Dendritic pipe network c, Dendritic pipe network ； Dendritic pipe network ； Ring-shaped pipeline network d, Tree-shaped pipeline network ； circular pipe network ； Circular pipe network Answer: a. The safety of water supply in towns is of great importance. Under normal circumstances, the water distribution network should be arranged in a circular pattern. When intermittent water supply is permissible, such as in newly planned urban areas that are still in the construction phase, or due to budget constraints that prevent the creation of a circular network at present, a dendritic network design can be used; however, the possibility of connecting it into a circular network in the future should be taken into account.