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[Uma pergunta por dia] Conhecimento básico de tecnologia (questões de múltipla escolha) 20190919

2019-09-19View Original

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Durante a operação da coluna de destilação, se a temperatura e a pressão da caldeira da coluna parecerem instáveis, a causa pode ser (D). A. A pressão do vapor está instável C. O aquecedor está vazando B. O purgador de vapor não está fluindo suavemente D. Os três motivos acima

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