【判断题】
电缆井、电缆隧道内工作时,应只打开电缆井一只井盖
A. 对
B. 错
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答案
B
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【判断题】
在电缆隧道内巡视时,作业人员应携带正压式空气呼吸器,通风不良时还应携带便携式气体检测仪
A. 对
B. 错
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电缆沟的盖板开启后,应自然通风一段时间,经检测合格后方可下井沟工作
A. 对
B. 错
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电力电缆施工使用携带型火炉或喷灯作业时,可在变电站门口对火炉或喷灯加油、点火
A. 对
B. 错
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电缆施工作业完成后应封堵穿越过的孔洞
A. 对
B. 错
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电缆耐压试验前,应先对被试电缆充分放电。加压前应在被试电缆周围设置遮栏(围栏)并悬挂警告标示牌,防止人员误入试验场所
A. 对
B. 错
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电缆试验需拆除接地线时,应在征得工作负责人的同意。工作完毕后应立即恢复
A. 对
B. 错
【判断题】
装设于配电变压器低压母线处的反孤岛装置与低压总开关、母线联络开关间应具备操作闭锁功能
A. 对
B. 错
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作业人员应了解机具(施工机具、电动工具)及安全工器具相关性能,熟悉其使用方法
A. 对
B. 错
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机具在运行中不得进行检修或调整
A. 对
B. 错
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绞磨应放置平稳,锚固应可靠,受力后方不得有人,锚固绳应有防滑动措施,并可靠接地
A. 对
B. 错
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绞磨作业时禁止在导向滑轮的外侧逗留或通过
A. 对
B. 错
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独立抱杆至少应有四根缆风绳,人字抱杆至少应有两根缆风绳并有限制腿部开度的控制绳
A. 对
B. 错
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抱杆基础应平整坚实、不积水。在土质坚硬的地方,抱杆脚应用垫木垫牢
A. 对
B. 错
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卡线器规格、材质应与线材的规格、材质相匹配
A. 对
B. 错
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地锚的分布和埋设深度,应严格按照统一标准执行
A. 对
B. 错
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禁止使用弯曲和变形严重的钢质地锚
A. 对
B. 错
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禁止使用木质锚桩
A. 对
B. 错
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钢丝绳的钢丝磨损或腐蚀达到钢丝绳实际直径比其公称直径减少5%或更多者应报废
A. 对
B. 错
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通过滑轮及卷筒的钢丝绳不得有接头
A. 对
B. 错
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合成纤维吊装带使用禁止与尖锐棱角接触
A. 对
B. 错
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禁止使用外部护套破损显露出内芯的合成吊装带
A. 对
B. 错
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机械驱动时必须使用纤维绳
A. 对
B. 错
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切断绳索时,应先将预定切断的两边用软钢丝扎结,以免切断后绳索松散,断头应绑扎处理
A. 对
B. 错
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滑车及滑车组使用前应检查,禁止使用有裂纹、轮沿破损等情况的滑轮
A. 对
B. 错
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滑车不得拴挂在不牢固的结构物上
A. 对
B. 错
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若使用的滑车可能着地,则应在滑车底下垫以木板,防止垃圾窜入滑车
A. 对
B. 错
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施工机具应不定期按标准试验
A. 对
B. 错
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电动工具使用前,应检查确认电线、接地或接零完好;检查确认工具的金属外壳可靠接地
A. 对
B. 错
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电动工具的开关应设在监护人伸手可及的地方
A. 对
B. 错
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安全工器具使用前,应检查确认绝缘部分无裂纹、无老化、无绝缘层脱落、无严重伤痕等现象以及固定连接部分无松动、无锈蚀、无断裂等现象。对其绝缘部分的外观有疑问时应经绝缘试验合格后方可使用
A. 对
B. 错
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安全帽使用时,应将下颏带系好,防止工作中前倾后仰或其他原因造成滑落
A. 对
B. 错
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人体应与带电设备保持安全距离,并注意防止绝缘杆被人体或设备短接,以保持有效的绝缘长度
A. 对
B. 错
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成套接地线宜存放在专用架上,架上的编号与接地线的编号应一致
A. 对
B. 错
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安全工器具经试验合格后,应在醒目的部位粘贴合格证
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动火作业中使用的机具、气瓶等应合格、完整
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B. 错
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动火工作票可以代替设备停复役手续或检修工作票、工作任务单和故障紧急抢修单
A. 对
B. 错
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二级动火工作票由工作票签发人签发,工区安监人员、消防人员审核,工区领导批准
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B. 错
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动火工作票签发人可以兼任动火工作负责人
A. 对
B. 错
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动火工作票的审批人可以签发动火工作票
A. 对
B. 错
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动火工作票签发人不得兼任动火工作负责人。动火工作票的审批人、消防监护人不得签发动火工作票
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现金流量表是以现金及现金等价物为编制基础
A. 对
B. 错
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经营活动产生的现金流量通常可以采用直接法和间接法两种列报方法
A. 对
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现金流动负债比率是经营活动产生的现金净流量与流动负债的比值
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现金流量表中的现金包括库存现金、可以随时支付的银行存款和其他货币资金
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将净利润调整为经营活动现金流量,是以利润表中的净利润为计算起点
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经营活动产生的现金流量最能反映企业获取现金的能力
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采用直接法编制经营活动产生的现金流量时,一般以营业收入为起点调节与经营活动有关项目的变动,计算出该项目
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用银行存款购买两个月内到期的国债,不会使现金流量表中现金净流量发生增减变动
A. 对
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现金流量表的分析填列法是直接根据资产负债表、利润表和有关会计科目明细账的记录分析计算出现金流量表各个项目的金额,据此编制现金流量表的方法
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为了清晰反映构成所有者权益各组成部分当期的增减变动情况,所有者权益变动表采用矩阵形式列示
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一般认为,资本保值率越高,表明企业的资本保全状况越好,所有者权益增长越快,债权人的债务越有保障
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13
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如果企业的负债资金的利息率低于其资产报酬率,则提高资产负债率可以增加所有者权益报酬率
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沃尔比重评分法是将选定的财务比率用线性关系联系起来,并分别给定各自的分数比重,然后通过与标准比重进行比较,确定各项指标的得分及总体指标的累积分数,从而对企业的信用水平做出评价的方法
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