MCQ PracticeWhy do the hypoid gears require special lubricant?Subject: Automobile EngineeringTopic: Automobile EngineATeeth are softBTeeth are hardCGears run fasterDThere is relative motion between teethCorrect 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