MCQ PracticeThe ventilated disc brake is a disc brake in whichSubject: Automobile EngineeringTopic: Braking SystemAA duct directs air towards the caliper for cooling while the vehicle is movingBCaliper is covered with cooling finsCDisc contains many small holes for optimum cooling performanceDDisc contains radial vanes between its rubbing surfaces for optimum cooling performanceCorrect 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