MCQ PracticeThe main function of an exhaust muffler isSubject: Automobile EngineeringTopic: Air Pollution And Its Control In AutomobileAReduction of nitrogen oxides in the exhaust gasesBReduction of exhaust gas volumeCOptimization of exhaust efficiencyDReduction of exhaust noiseCorrect Answer: DPractice 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