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English Translations » 炼制(催化焦化深加工) » Practice **questions on February 20, 2017; replies will earn

Practice **questions on February 20, 2017; replies will earn 2–6 points (** no scoring after it is displayed, thank you for your replies)

2017-02-20 View Original

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Multiple-choice question: 1. After shutting down the vacuum tower and venting it, in order to prevent spontaneous combustion of iron sulfide, (　A,B　) measures should be taken. A. Washing with water B. Rinsing with a dulling agent C. Ventilation D. Cooling
Reply #2 2017-02-20
A. Washing with water B. Rinsing with a dulling agent

Translated at 2026-07-21 05:10:08

Original: https://bbs.hcbbs.com/thread-1700246-1-1.html

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