MCQ PracticePresence of SO 2 in furnace gases attacks the ferrous metal by way ofSubject: Chemical EngineeringTopic: Furnace TechnologyAAccelerating the rate of scalingBCausing metal embrittlementCAttacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperatureDAll of the aboveCorrect Answer: DPractice QuizBack to MCQsRelated MCQsChoose the set of figures which follows the given rule. Rule: Any figure can beChoose the set of figures which follows the given rule. Rule: Closed figures graChoose the set of figures which follows the given rule. Rule: Closed figures los