This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'The amount of sewage flowing in a system in 24 hours is called \nSelect and explain. \nA. Sewage rate, B. Dry weather flow, C. RCA index, D. Sewage index', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Dry weather flow refers to the wastewater flow in a sewer system during periods of dry weather with minimum infiltration. Wet Weather Flow - Dry weather flow combined with stormwater Ref : Park 23rd edition Pgno : 762', 'role': 'assistant'}]