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11년 전문지식 47

2016-07-13View Original

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47. 다음 중 열전달에 해당하지 않는 단위 공정은 무엇인가?
A. 고체의 유동화
B. 가열 및 냉각
C. 교반
D. 침전

A. 천대 교재에 따르면, 기체를 이용한 운반 과정에서는 분쇄, 분급, 가열, 냉각, 건조와 같은 작업들이 동시에 이루어진다.
C. 교반도 열전달이 동반되는 과정이 아닌가?
따라서 정답은 D뿐이다

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