单选题:下列关于立式磨煤机安全控制措施的说法,正确的是( )。 题目分类:66题库 题目类型:单选题 查看权限:VIP 题目内容: 下列关于立式磨煤机安全控制措施的说法,正确的是( )。 A.检查煤粉喷吹设备时,应使用铁质工具 B.立式磨煤系统燃气炉点火,操作人员应面对炉门进行观察 C.袋式收尘器内着火,应立即紧急停止立式磨煤系统,加大主排风机,打开袋式收尘器进.出口调节阀 D.煤粉在煤仓中存放时间不允许超过8h 参考答案: 答案解析:
下列关于煤气设施的作业与检修,说法正确的是( )。 下列关于煤气设施的作业与检修,说法正确的是( )。A.抽堵盲板和送煤气作业一般不要在夜间进行,但可以在雷雨天进行 B.送煤气时点不着火,或 分类:66题库 题型:单选题 查看答案
根据以下材料,回答题Socrates is often referred to as one ofthe founder 根据以下材料,回答题Socrates is often referred to as one ofthe founders of Western philos 分类:66题库 题型:单选题 查看答案
According to Paragraph 2, which of thefollowing may lead to According to Paragraph 2, which of thefollowing may lead to insomnia?A.Reading a 分类:66题库 题型:单选题 查看答案
Since computers were introduced, they_________tobe useful to Since computers were introduced, they_________tobe useful tools for people weak 分类:66题库 题型:单选题 查看答案