MCQ PracticeThe lowest speed of engine at which the engine runs smoothly is called . . . . . . . .Subject: Automobile EngineeringTopic: Ignition SystemAAt least speedBThreshold speedCMinimum speedDIdling speedCorrect 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