【Daily Question】Utilities - Water Supply and Drainage - 20200412
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Valves should be installed on the following sections of hot water pipelines; among them, ( ) is incorrect. A. On the distribution branch pipes with 2 water supply points B. On the branch pipes extending from the risers C. On the water supply risers and return risers D. On the branch pipes connected to the water supply and return main pipes Answer: A. Options B, C, and D correspond respectively to Paragraph 3 of Article 5.6.7, Paragraph 2 of Article 5.6.7, and Paragraph 1 of Article 5.6.7 of the current \"Code for Design of Building Water Supply and Drainage Systems\". Option A does not comply with the provisions of Article 5.6.7, Paragraph 4, of the current Code for Design of Building Water Supply and Drainage Systems. Distribution branches with 3 or more water distribution points must be equipped with valves
A. On the water distribution branch pipe with 2 water supply points
A. On the water distribution branch pipe with 2 water supply points