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English Translations » 炼制(催化焦化深加工) » Practice **questions on March 2, 2017; replies will earn 2–6

Practice **questions on March 2, 2017; replies will earn 2–6 points (** no scoring after it is displayed, thank you for your replies)

2017-03-02View Original

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Multiple-choice question 1: The reasons for the increase in the temperature at the top of the vacuum distillation tower are (A, C, D). A. Increase in the outlet temperature of the vacuum furnace B. Decrease in the outlet temperature of the vacuum furnace C. Increase in the steam injection volume at the bottom of the tower D. Decrease in the reflux flow at each intermediate stage
Reply #22017-03-02
The reasons for the increase in the temperature at the top of the vacuum tower are (ACD)
Reply #32017-03-02
A. Increase in the outlet temperature of the pressure-reducing furnace C. Increase in the steam injection volume at the bottom of the tower D. Decrease in the reflux flow at each intermediate section

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Translated at 2026-07-21 05:08:48

Original: https://bbs.hcbbs.com/thread-1752343-1-1.html

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