MCQ PracticeIn drum type brake the fluid on releasing, returns to the master cylinder due to the action of the piston return spring andSubject: Automobile EngineeringTopic: Automobile EngineABy-pass portBWhell cylinder springCCompensating port spingDBake shoe retractorCorrect 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