MCQ PracticeThe yield of tar from high temperature carbonisation of dry coal is about __________ percent.Subject: Chemical EngineeringTopic: Chemical ProcessA3B12C22D0.3Correct Answer: APractice 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