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This post was last edited by *aojiaoya0546 on 2016-8-18 at 11:51. http://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.pnghttp://bbs.hcbbs.com/static/image/hrline/line7.png Recently, after attending training on the safety management of special equipment, I have come to realize that only by having a thorough understanding of relevant knowledge can one better manage production processes on site. Since June, we have been holding a daily quiz on knowledge related to the safety management of special equipment; we welcome all members to participate actively. Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Multiple-choice question: Maintaining the alkalinity of water in the boiler within a certain range is mainly to ( ) A. Prevent scaling B. Prevent corrosion C. Reduce salt content D. Prevent a decline in water quality. Answer: ABD. http://bbs.hcbbs.com/static/image/hrline/line7.png http://bbs.hcbbs.com/static/image/hrline/line7.png http://bbs.hcbbs.com/static/image/hrline/line7.png http://bbs.hcbbs.com/static/image/hrline/line7.png http://bbs.hcbbs.com/static/image/hrline/line7.png http://bbs.hcbbs.com/static/image/hrline/2.gif http://bbs.hcbbs.com/static/image/hrline/2.gif 【Production and Management Section】Seeking moderators and technical discussants to join us. 【Haichuan Public Welfare】A large-scale environmental protection photo-sharing event themed “Sharing the Same Blue Sky”! 【Safety Activities】Event to share advanced on-site management experiences 【Task-based reward: 3000 wealth points】Original] Organize and format the content of the dashboard posts 【Task-based reward: 5000 wealth points】Original] Organize and summarize the content of the control panel posts ---------Seeking partners for premium advertising space for HaiChuan’s charity activities-------
Maintaining the alkalinity of the water in the pot within a certain range is mainly to (A) A prevent scaling B prevent corrosion C reduce salt content D prevent a decline in quality
A Prevent scaling B Prevent corrosion D Prevent a decline in quality
C reduces salt content; D prevents a decline in quality
Maintaining the alkalinity of the water in the pot within a certain range is mainly to (b)