MCQ PracticeHigh noise level in a chemical plant can be controlled by theSubject: Chemical EngineeringTopic: Environmental Engineering In CeASuppression of noise at the source itselfBPath control of noiseCProtection of operating personnelDAll of the aboveCorrect 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