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7.25-Daily Topic (Pharmaceutical Engineering Technology Edition)

2017-07-25View Original

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This post was last edited by sumanl on 2017-7-26 08:22. The person who gives the correct answer will receive 10 wealth points, while those who give incorrect answers will receive 3 wealth points. The production process of a certain product involves three steps: nitration, reduction, and displacement. The operation time for each step is 24 hours, 8 hours, and 12 hours respectively. All materials are in liquid form, and their volume remains constant throughout the entire production process. To maintain a balance in the capabilities of the various equipment, which of the following arrangements is unreasonable? 【 】A. 3 units of 1000L nitration reactors, 2 units of 500L reduction reactors, and 1 unit of 1500L displacement reactor. B: 2 sets of 1500L nitration reactors, 2 sets of 500L reduction reactors, and 3 sets of 500L displacement reactors. C: 2 × 1500L nitration reactors, 3 × 500L reduction reactors, 2 × 1500L displacement reactors. D: 1 x 3000L nitration tank, 1 x 1000L reduction tank, 1 x 1500L displacement tank. Answers submitted on the same day will be graded
Reply #22017-07-25
C: 2 × 1500L nitration reactors, 3 × 500L reduction reactors, 2 × 1500L displacement reactors.
Reply #32017-07-26
The production process of a certain product involves three steps: nitration, reduction, and displacement. The operation time for each step is 24 hours, 8 hours, and 12 hours respectively. All materials are in liquid form, and their volume remains constant throughout the entire production process. To maintain a balance in the capabilities of the various equipment, the following arrangement is unreasonable: 【B】 A. 3 units of 1000L nitration reactors, 2 units of 500L reduction reactors, and 1 unit of 1500L displacement reactor. B: 2 sets of 1500L nitration reactors, 2 sets of 500L reduction reactors, and 3 sets of 500L displacement reactors. C: 2 × 1500L nitration reactors, 3 × 500L reduction reactors, 2 × 1500L displacement reactors. D: 1 x 3000L nitration tank, 1 x 1000L reduction tank, 1 x 1500L displacement tank.

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