【单选题】
汽油、酒精、油漆及稀释剂等挥发性易燃材料应___存放，配消防器材，悬挂相应安全标志。
A. 敞口
B. 通风
C. 阴凉处
D. 密封
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答案
D
解析
暂无解析
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【单选题】
施工用电工程的380V/220V低压系统，应采用___级配电、二级剩余电流动作保护系统（漏电保护系统），末端应装剩余电流动作保护装置（漏电保护器）。
A. 二
B. 三
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关于低压电力电缆错误的有___。
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B. 需要三相四线制配电的电缆线路应采用五芯电缆
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低压配电系统采用TNS系统做保护接零时，说法错误的有___。
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使用于潮湿或有腐蚀介质场所的剩余电流动作保护装置（漏电保护器）应采用防溅型产品，其额定动作电流不应大于___mA，额定动作时间不应大于0.1s。
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总配电箱中剩余电流动作保护装置（漏电保护器）的额定漏电动作电流应大于30mA，额定漏电动作时间应大于___s，但其额定漏电动作电流与额定漏电动作时间的乘积不应大于30mA·s。
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【单选题】
配电箱送电应按照下列顺序进行操作正确的是___。
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【单选题】
关于消防有关说法错误的有___。
A. 运输易燃、易爆等危险物品，应按当地安监部门的有关规定申请，经批准后方可进行
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【单选题】
施工现场、仓库及重要机械设备、配电箱旁，生活和办公区等应配置相应的消防器材。需要动火的施工作业前，应增设相应类型及数量的___。
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