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English Translations » 【公用配套及基建圈】 » 【Daily Question】Utilities - Water Supply and Drainage - 2020

【Daily Question】Utilities - Water Supply and Drainage - 20200112

2020-01-12View Original

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In a carbon dioxide fire suppression system, the relationship between the design concentration and the extinguishing concentration is (  ).
A. The design concentration is the same as the extinguishing concentration.
B. The design concentration is 1.2 times the extinguishing concentration.
C. The design concentration is 1.5 times the extinguishing concentration.
D. The design concentration is 1.7 times the extinguishing concentration.
Answer: D
Reply #22020-01-12
D. The design concentration is 1.7 times the fire extinguishing concentration 

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Translated at 2026-07-23 10:22:31

Original: https://bbs.hcbbs.com/thread-2890800-1-1.html

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