Production Technology: [Daily Question] Sunday, April 17, 2011
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This post was last edited by *nyang3390 on 2011-4-18 09:03. Multiple-choice question: + v- r' Q6 w* j' i8 c7 @ Which of the following gases has the highest calorific value, and which one has the greatest toxicity to the human body? A. Blast furnace gas B. Converter gas C. Coke oven gas D. Generator gas Note: 1. Please hide your reply; for instructions, see: http://bbs.hcbbs.com/thread-492556-1-1.html. 2. Do not edit after replying. 3. All participants must receive a reward. Answer: C, B. Explanation: 1. Calorific value ranking: Coke oven gas (4000 kcal/m3) > Converter gas (2000–2200 kcal/m3) > Generator gas (1250–1430 kcal/m3) > Blast furnace gas (800 kcal/m3). 2. Converter gas has the highest CO content, hence it is the most toxic.
Reply 1# pzhmotor B C