MCQ PracticeExhaust gas recirculation has the disadvantage ofSubject: Automobile EngineeringTopic: Air Pollution And Its Control In AutomobileADecreasing thermal efficiencyBIncreasing HC emissionCBoth A and BDIncreasing aldehydesCorrect Answer: CPractice 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