【Purification Daily Question】June 20, 2016

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To increase the popularity of the purified area, a \"One Question per Day\" campaign was launched to foster an active atmosphere for technical exchanges while offering members certain financial rewards. (Fellow sailors, if you have any good questions, feel free to send them to me; let’s work together on them.) 【Question of the Day】 (Multiple choice) What should be taken into consideration when connecting a waste heat boiler to the power grid? (　　) A. The liquid level in the waste heat boiler should not be too high. B. The condensate water should first be drained from the pre-drain before the grid connection valve. C. The bottom discharge mechanism of the waste heat boiler should be enhanced. D. After grid connection, the boiler operator should be notified promptly to make adjustments. Please reply with your answers; participating in the quiz earns +2 wealth points, and those who get all answers correct will receive an additional +3 to +8 wealth points. Those who provide thorough analyses and explanations for the questions or answers (including detailed calculation processes) will receive extra wealth points as a reward. If your answers are correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer. USA