One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； October 17th
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Multiple-choice question: The flow rate of the material through the heat exchanger is closely related to the heat transfer coefficient; the higher the flow rate, the ( ) the convective heat transfer coefficient, and the ( ) the heat exchange efficiency. A. The larger, the worse. B. The larger, the better. C. The smaller, the worse. D. The smaller, the better. Answer: B. The larger, the better
There is a close relationship between the flow rate of the material in the heat exchanger and the heat transfer coefficient; the higher the flow rate, the greater the convective heat transfer coefficient, and thus the better the heat exchange efficiency. A. The larger, the worse. B. The larger, the better. C. The smaller, the worse. D. The smaller, the better