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English Translations » 炼制(催化焦化深加工) » Practice **questions on March 21, 2017; replies will earn 2–

Practice **questions on March 21, 2017; replies will earn 2–6 points (** no scoring after it is displayed, thank you for your replies)

2017-03-21View Original

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Multiple-choice question: Among the following options, those that may cause the level of the liquid in the bottom tank to be too high are (A, B). A. Failure of the bottom reduction liquid control instrument B. Vacuum formation in the bottom reduction pump C. High temperature at the bottom reduction stage D. Excessively high temperature at the outlet of the vacuum furnace
Reply #22017-03-21
A. Failure of the bottom-reduction hydraulic control instrument; B. Vacuum formation in the bottom-reduction pump

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Translated at 2026-07-21 05:08:15

Original: https://bbs.hcbbs.com/thread-1763467-1-1.html

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