【Daily Question】Utilities - Water Supply and Drainage - 20191027
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This post was last edited by hesonchang214 on 2019-11-11 at 15:30. The maximum pressure difference before and after the adjustable pressure reducing valve should not exceed ( ) MPa, and in areas where a quiet environment is required, it should not exceed ( ) Pa. A 0.4, 0.3 B 0.4, 0.2 C 0.5, 0.3 D 0.5, 0.2 Answer: A Option A complies with the provisions of Article 3.4.9, Paragraph 1 of the current \"Code for Design of Building Water Supply and Drainage\"
A. It complies with the provisions of Articles 3, 4, and Paragraph 1 of Article 9 of the current Code for Design of Building Water Supply and Drainage.
A 0.4, 0.3MPa 300000