MCQ PracticeThe hydrocarbons appear due to flame quenching near the metallic walls.Subject: Automobile EngineeringTopic: Air Pollution And Its Control In AutomobileAFalseBTrueCorrect 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