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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.pngRecently, 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. Since June, we have been holding a daily quiz on knowledge related to the safety management of special equipment; we invite all members of the community to participate actively. Participation reward: 2 Wealth. Reward for correct answer: 9 wealth. Multiple-choice question: The reasons why the valve core does not return to its original position after the safety valve releases pressure are (). A: The spring is bent. B: The valve stem and valve core are not installed properly or are stuck. C: Improper adjustment. D: Any extra weight attached to the lever. Answer: AB. 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 Charity】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-------
A: Spring bent; B: Valve stem or valve core not installed properly or stuck
The reasons why the valve core does not return to its original position after the safety valve vents are (AB). A: Spring bending; B: Incorrect installation or jamming of the valve stem and valve core; C: Improper adjustment; D: Adding any weight to the lever