MCQ PracticeWater filtration rate in a rapid sand filter ranges from __________ kilolitres/m 2 /hr.Subject: Chemical EngineeringTopic: Environmental Engineering In CeA0.1 to 1B3 to 6C10 to 15D15 to 20Correct Answer: BPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the