[Practice Question 2017.01.08] Participating earns 3–8 wealth rewards
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This post was last edited by percy on 2017-1-8 20:28. Multiple-choice question: 1. During the process of reducing the production capacity of a unit, the correct way to adjust the steam injection at the bottom of the tower is ( ). A. The steam injection at the bottom of both the atmospheric pressure tower and the vacuum tower should be reduced in a synchronized manner. B. The amount of steam injection should remain unchanged in both cases. C. The steam injection in the atmospheric pressure tower should be reduced while it remains unchanged in the vacuum tower. D. The steam injection in the vacuum tower should be reduced while it remains unchanged in the atmospheric pressure tower. **Answer: A. Reminder: Replies will not be scored once the “hidden” option is displayed. Thank you!
D. Steam is introduced into the vacuum distillation column; the pressure in the atmospheric distillation column remains unchanged