【Daily Question】Utilities - Water Supply and Drainage - 20200213
Thread Content
Which of the following statements regarding the minimum diameter of internal drainage pipes in buildings does not conform to the current Code for Design of Building Water Supply and Drainage? ( ) A. The minimum diameter of the exhaust pipes inside buildings is 50 mm. B. The diameter of the sewage branch pipes connecting 3 or more urinals should not be less than 75 mm. C. The diameter of the drainage pipes for hospital sinks must not be less than 75 mm. D. When sewage main pipes in public cafeteria kitchens are designed to use pipes for drainage, their diameter is determined through calculations, but it must not be less than 100 mm. Answer: D
C. The diameter of the drain pipe for hospital sink wastewater shall not be less than 75 mm
D. When the sewage main pipes in the public canteen kitchen are to be discharged through pipes, the pipe diameter shall be determined based on calculations, but it must not be less than 100 mm