MCQ PracticeThe speed of a sound wave in a gas is analogous to the speed ofSubject: Chemical EngineeringTopic: Fluid MechanicsAAn elementary wave in an open channelBFlow in an open channelCA disturbance travelling upstream in moving fluidDNone of theseCorrect Answer: APractice 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