【Question 168】Boiler Foundation Questions (February 16)

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This post was last edited by zgj2405 on 2011-2-17 08:20. Please hide your replies; think carefully before posting, as edits are invalid! Those with different views on the provided answer keys can post discussions the next day. For multiple accounts under the same IP responding to participate, only the first response is considered valid. All participants receive 2 points as a reward. This round consists of multiple-choice questions, with 2 points for each question; 8 points are awarded for getting all questions correct. In principle, the top 50 respondents who answer within 48 hours will be scored. Please hide your replies; the method for doing this is: http://bbs.hcbbs.com/thread-492556-1-1.html 1. The total pressure of a fan refers to ( ). a. Outlet wind pressure, b. Inlet wind pressure, c. The sum of the dynamic and static pressures of the fan. 2. With a constant external load, the stability of air pressure depends on ( ). a. The level of heat intensity in the furnace chamber; b. The stability of the combustion conditions inside the furnace; c. The boiler’s heat storage capacity. Answer: C, B