MCQ PracticeThe use of tractor is considered economical when it is utilised forSubject: AgricultureTopic: Agricultural EngineeringA1500 hrs/yearB1200 hrs/yearC1000 hrs/yearD1400 hrs/yearCorrect Answer: CPractice 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