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Basic Process Knowledge (Multiple Choice) 20181112

2018-11-12View Original

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In the experiment on the temperature rise in ship refrigerated warehouses, when the initial temperature difference between the inside and outside is 30°C, the required increase in warehouse temperature over 6 hours should not be greater than . A. 4.8℃ B. 4.6℃ C. 7.2℃ D. 8.4℃ Hint: When the initial temperature difference is 25℃, the temperature rise over 6 hours should not exceed 25℃; the allowable temperature rise for other differences can be calculated proportionally.

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