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This post was last edited by *aojiaoya0546 on 2016-8-24 at 11:38. 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: The purpose of installing at least two safety valves in each boiler is ( ). A. To enhance safety and reliability B. To save energy C. To reduce maintenance costs D. To facilitate operation. Answer: ABC. 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 Kaichuan’s charity activities-------
The purpose of installing at least two safety valves in each boiler is (A) A to increase safety and reliability B to save energy C to reduce maintenance costs D to facilitate operation
A, should both of those safety valves be in use, or one in use and one as a backup?
Multiple-choice question: why are there options A, B, and C?
The purpose of installing at least two safety valves in each boiler is (A) A to increase safety and reliability B to save energy C to reduce maintenance costs D to facilitate operation