Daily Question 2016.7.16 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question)

2016-07-18View Original

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This post was last edited by Zhang Xiaopeng on 2016-7-18 08:09. 27. A certain coal indirect liquefaction project has an annual operating time of 8,000 hours, and 10 gasifiers are installed. Inspection is carried out once a year; when the gasifier is started, unqualified crude gas is sent to a high-pressure flare for treatment, with each such process lasting 3.5 hours. When a single gasification furnace is started, the sulfur dioxide generated by the flare is approximately 5 t/h. The annual sulfur dioxide emission amount from the gasifier during operation of this project is approximately ( ). A. 210 t/a B. 175 t/a C. 50 t/a D. 35 t/a Answer: B. Explanation: Pay attention to the question – it asks for the sulfur dioxide emission amount during operation; therefore, the figure of 8000 hours is irrelevant. 3.5*10*5=175

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Daily Question 2016.7.16 (EIA Discussion): 3 Wealth points for replies, plus 5 Wealth points for correct answers (single-choice question)

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