相关试题
【单选题】
烃类组分与___在一定条件下会形成固态水合物而堵塞管道。
A. 硫化氢
B. 凝析油
C. 防冻剂
D. 液态水
【单选题】
天然气经过净化厂处理后能减缓其中含硫成分及水对管道和设备的___损坏。
【单选题】
输气管道一旦形成水合物会造成上游压力___较大，还会因此会引发相关事故。
【单选题】
采用增湿、加抗静电添加剂的方法促使静电电荷从带电体上自行消散的方法为___。
A. 接地法
B. 中和法
C. 泄漏法
D. 工艺控制法
【单选题】
场站自控系统标识中流量变送的字母代号为___。
【单选题】
埋地管线当其表面防腐层破损后，会受到___。
A. 均匀腐蚀
B. 局部腐蚀
C. 化学腐蚀
D. 电化学腐蚀
【单选题】
色谱分析仪由几部分组成___。
A. 控制器,分析仪,取样器
B. 控制器,取样器
C. 控制器,分析仪
D. 分析仪,取样器
【单选题】
一般情况下，煤气、天然气高压系统必须采用___。
A. 铸铁管
B. 聚乙烯管
C. 钢管
D. 混凝土管
【单选题】
在处理燃气紧急事件时，以下哪一项为最优先的考虑___。
A. 保障生命
B. 保障财产
C. 找出及修理燃气泄漏
D. 找出泄漏原因
【单选题】
划分天然气输气场站危险区域的主要目的是什么___。
A. 设计及装置合适的防爆电子器材及控制产生火花的设施
B. 限制人员进出有关区域
C. 装设相应合适的防火设施
D. 划分相应等级危险源
【单选题】
电焊工下列哪些操作属于违章作业___。
A. 转移工作地点时，在切断电焊机电源情况下移动焊机
B. 切断电源后检查电焊机的故障
C. 带电改接电焊机接头
D. 电焊机防止在干燥、通风的地方进行焊接
【单选题】
安全阀属于哪一类的安全装置___。
A. 联锁
B. 超限保险
C. 监测控制
D. 电动控制
【单选题】
根据国标GB50028，埋地敷设低压燃气管道时，管道应与建筑物的基础保持最小多少水平净距___。
A. 0.7米
B. 1.0米
C. 1.5米
D. 2.0米
【单选题】
火灾发生时，使用灭火器应站在下列哪位置___。
A. 上风位
B. 下风位
C. 任何位置
D. 相对高处
【单选题】
解决火险隐患要坚持"三定",请问"三定"是指___。
A. 定专人、定时间、定整改措施
B. 定时间、定地点、定专人
C. 定人、定岗、定编制
D. 定时间、定器材、定专人
【单选题】
造成埋地管道事故的因素大致有设计、操作、第三方破坏和___四大类。
【单选题】
存在因河流冲刷造成水土流失危及管道的河岸应该修建___进行保护。
【单选题】
天然气输配气管道投产前应进行惰性气体置换，置换时应在被置换管道末端进行含氧量检测，当在管道末端放空出口检测到氧含量小于___时，可确认置换合格。
【单选题】
禁止在管道中心线两侧各___ m范围内种植深根植物。
【单选题】
生产中遇到特别严重险情，职工可以采取下列哪一种行动？___
A. 停止作业
B. 停止作业，采用紧急防范措施，并撤离危险岗位
C. 坚守工作岗位
D. 向上级报告，等待指示
【单选题】
在下列哪一个环境中工作，较容易发生人员中暑___。
A. 没有空气调节的地方
B. 酷热及潮湿的环境
C. 没有遮盖的地方
D. 露天作业的地方
【单选题】
安全宣传教育的最终目的是什么？___
A. 提高职工的安全生产素质
B. 树立全局观
C. 提高科技水平
D. 了解安全常识
【单选题】
下列哪一项是输气站场和建设工地职工须戴安全帽的原因?___
A. 抵挡风雨及阳光
B. 保护头部免受输气站场和建设工地内各种危害
C. 用来识别不同工种的职工
D. 运行场所及工地的标志
【单选题】
以下哪项是对阀门安装工艺的错误表述___。
A. 安装时阀门体上的箭头与燃气流向应一致
B. 安装的阀门应以顺时针方向关闭
C. 若采用钢制阀门则可不加防腐保护
D. 阀门安装前,应按设计核对其型号
【单选题】
燃气在空气中的浓度低于爆炸下限时，若遇上火种会怎样？___
A. 会立刻发生爆炸
B. 会慢慢地燃烧
C. 不会燃烧
D. 不会反应
【单选题】
高压管道施工完成后，在水压测试过程中，管道上的球阀位置应___。
A. 全开
B. 半开
C. 全关
D. 任意状态
【单选题】
建设单位要求建筑设计单位或者建筑施工企业降低消防技术标准设计、施工的，责令改正或者停止施工，并处___罚款。
A. 一万元以下
B. 十万元以下
C. 一万元以上十万元以下
【单选题】
在一般燃气调压系统中，紧急切断阀是什么用途的___。
A. 下游气压过高时自动快速关闭的阀门
B. 上游气压过低时自动快速关闭的阀门
C. 下游气压达预校压力便慢慢关闭的阀门
D. 上游气压过高时自动快速关闭的阀门
【单选题】
根据国标GB50028，门站和储配站内设置的计量仪表应记录什么参数___。
A. 燃气湿度、热值和温度
B. 燃气流量、压力和热值
C. 燃气流量、压力和温度
D. 燃气水露点、压力和温度
【单选题】
敷设在市区外的高压钢管，当采用阴极保护时，宜采用什么方式___。
A. 强制电流式
B. 牺牲阳极法
C. 强制阴极法
D. 加厚防腐层
【单选题】
在带气工程或不受控制的燃气泄漏事件中,最少要有多少工程人员在现场一起工作___。
【单选题】
管道燃气供应过程中遇非紧急情况的停气，须提前多长时间通知用户___。
A. 24小时
B. 12小时
C. 36小时
D. 8小时
【单选题】
管径小于或等于DN50的室内燃气管道连接方式宜使用下列哪种连接方式___。
A. 螺纹连接
B. 焊接连接
C. 法兰连接
D. 卡套连接
【单选题】
下列哪一项有关灭火器的放置是正确___。
A. 放在隐蔽的地方
B. 易于取用，不受阻碍的地方
C. 只须存放在危险货仓内
D. 与其他消防设施防止在一起
【单选题】
工场内的所有防火通道，都要设置___。
A. 防火标语及海报
B. 出口指示灯及紧急照明
C. 适当灭火器
D. 通道标志
【单选题】
下列哪一项是造成密闭空间危险的主要原因___。
A. 空气不流通
B. 阴暗
C. 空气潮湿
D. 照明不足
【单选题】
建设单位未依照规定将消防设计文件报公安机关消防机构备案，或者在竣工后未依照本法规定报公安机关消防机构备案的，责令限期改正，处___罚款。
A. 五千元以下
B. 三千元以上
C. 一万元以下
【单选题】
配电房内的电源开关及控制电路等须怎样安排才正确___。
A. 有编号以作辨认
B. 放置两本急救指南在旁
C. 编有暗号方便自己辨认
D. 画建议线路图
【单选题】
使用的电气设备按有关安全规程，其外壳应有什么防护措施___。
A. 无
B. 保护性接零或接地
C. 防锈漆
D. 绝缘
【单选题】
使用试电笔区别交流电和直流电，下列哪种说法是正确的___。
A. 直流电通过试电笔时，氖管两个极只有一个发亮
B. 直流电通过试电笔时，氖管两个极都发亮
C. 直流电通过试电笔时，氖管两个极都不亮
D. 交流电通过试电笔时，氖管两个极只有一个发亮
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