MCQ PracticeThe water activity at the surface of a food product at the end of constant drying rateSubject: AgricultureTopic: Agricultural EngineeringADrops below 1BRemains constant at 1CIs zeroDNone of the aboveCorrect 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