【Daily Question】Utilities - Water Supply and Drainage - 20200201
Thread Content
Which of the following statements regarding the design second flow rate for building drainage is incorrect? ( ) A. The design second flow rate for building drainage is the maximum instantaneous drainage flow rate inside the building. B. The formula for the design second flow rate of drainage in residential buildings as specified in the codes corresponds to the formula for their design second flow rate of water supply; that is, calculations are carried out using the probability method. C. The design second flow rate for drainage in laundry rooms is calculated using the percentage of simultaneous drainage method. D. The design second flow rate for building drainage is greater than the average second flow rate of the maximum drainage volume. Answer: B
A. The design second flow rate for building drainage is the maximum instantaneous drainage flow rate inside the building