【Daily Question】Hydrogen production and hydrogenation technology version 20190805
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Participation prize: 1 Fortune, Correct answer prize: 3 Fortune. Single-choice question: If the circulation water is unavailable for an extended period, the cooling water pump should be stopped, but ( ) should be kept running as much as possible. A. Bottom product pump ； B. Product pump ； C. Recirculation pump ； D. Corrosion inhibitor injection pump. Answer: C Your participation is the greatest support for our work! Giving roses to others leaves a pleasant fragrance in one’s own hands.
Single-choice question: If the circulation water is unavailable for an extended period, the cooling water pump should be stopped, but ( ) should be kept running as much as possible. C. Recirculation pump ；