【Daily Question 2019】LNG Section – Question No. 033

2019-02-02View Original

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【Daily Question 2019】LNG Section – Question No. 033: The dampers of a heating furnace are primarily used to provide the （） necessary for the combustion within the furnace. A. Hydrogen B. Fuel gas C. Fuel oil D. Oxygen. D is correct; 3 correct and 1 incorrect ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go to https://bbs.hcbbs.com/home.php?mod=space&uid=3862647&do=thread&view=me&from=space through the summary post below

Reply #22019-02-02

D. Oxygen

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【Daily Question 2019】LNG Section – Question No. 033

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