【单选题】
工作许可人在接到所有工作负责人(包括用户)的终结报告，并确认所有工作已完毕，所有( )已撤离，所有接地线已拆除，与记录簿核对无误并做好记录后，方可下令拆除各侧安全措施。
A. 工作许可人
B. 小组负责人
C. 工作票签发人
D. 工作人员
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相关试题
【单选题】
( )在接到所有工作负责人(包括用户)的终结报告，并确认所有工作已完毕，所有工作人员已撤离，所有接地线已拆除，与记录簿核对无误并做好记录后，方可下令拆除各侧安全措施。
A. 值班调控人员
B. 工作票签发人
C. 工作许可人
D. 变电站值班负责人
【单选题】
作业人员工作中正常活动范围与10kV高压线路、设备带电部分的安全距离为( )m.
A. 0.35
B. 0.6
C. 0.7
D. 1.0
【单选题】
任何运行中星形接线设备的中性点，应视为( )设备。
A. 大电流接地
B. 不带电
C. 带电
D. 停电
【单选题】
停电线路、设备的断开点，应有能够反映线路、设备运行状态的电气和机械等指示。无明显断开点也无电气、机械等指示时，应断开( )。
A. 同级电源
B. 下一级电源
C. 上一级电源
D. 断路器（开关）
【单选题】
对难以做到与电源完全断开的检修线路、设备，可( )其与电源之间的电气连接。
【单选题】
高压开关柜前后间隔没有可靠隔离的，工作时应( )。
A. 同时停电
B. 加强监护
C. 装设围栏
D. 加装绝缘挡板
【单选题】
电气设备( )在母线或引线上的，设备检修时应将母线或引线停电。
A. 直接连接
B. 间接连接
C. 可靠连接
D. 连接
【单选题】
室外低压配电线路和设备验电宜使用( )。
A. 绝缘棒
B. 工频高压发生器
C. 声光验电器
D. 高压验电棒
【单选题】
高压验电前，验电器应先在有电设备上试验，确证验电器良好；无法在有电设备上试验时，可用( )高压发生器等确证验电器良好。
【单选题】
雨雪天气室外设备宜采用间接验电；若直接验电，应使用( )，并戴绝缘手套。
A. 声光验电器
B. 高压声光验电器
C. 雨雪型验电器
D. 高压验电棒
【单选题】
禁止作业人员越过( )的线路对上层线路、远侧进行验电。
A. 未停电
B. 未经验电、接地
C. 未经验电
D. 未停电、接地
【单选题】
当验明确已无电压后，应立即将检修的高压配电线路和设备接地并( )短路。
A. 单相
B. 两项
C. 三相
D. 中相和边相
【单选题】
配合停电的交叉跨越或邻近线路，在交叉跨越或邻近线路处附近应装设( )接地线。
【单选题】
禁止作业人员擅自变更工作票中指定的接地线位置，若需变更，应由工作负责人征得( )同意，并在工作票上注明变更情况。
A. 工作许可人或专责监护
B. 工作许可人或小组负责人
C. 工作票签发人或专责监护人
D. 工作票签发人或工作许可人
【单选题】
装设、拆除接地线均应使用( )并戴绝缘手套，人体不得碰触接地线或未接地的导线。
A. 绝缘绳
B. 专用的绝缘绳
C. 绝缘棒
D. 软铜线
【单选题】
装设接地线应( )，拆除接地线的顺序与此相反。
A. 先接母线侧、后接负荷侧
B. 先接负荷侧、后接母线侧
C. 先接导体端、后接接地端
D. 先接接地端、后接导体端
【单选题】
电缆及电容器接地前应逐相充分放电，星形接线电容器的中性点应接地，串联电容器及与整组电容器脱离的电容器应( )。
A. 全部接地
B. 单只接地
C. 充分放电
D. 逐个充分放电
【单选题】
电缆及电容器接地前应( )充分放电。
A. 逐相
B. 保证一点
C. 单相
D. 三相
【单选题】
( )及电容器接地前应逐相充分放电。
A. 避雷器
B. 电缆
C. 导线
D. 变压器
【单选题】
接地线截面积应满足装设地点短路电流的要求，且高压接地线的截面积不得小于( )。
A. 16mm2
B. 25mm2
C. 36mm2
D. 20mm2
【单选题】
成套接地线应由有( )的多股软铜线和专用线夹组成。
A. 绝缘护套
B. 护套
C. 透明护套
D. 橡胶护套
【单选题】
低压接地线和个人保安线的截面积不得小于( )mm2。
【单选题】
接地线应使用专用的线夹固定在导体上，禁止用( )的方法接地或短路。
【单选题】
杆塔无接地引下线时，可采用截面积大于190mm2(如φ16mm圆钢)、地下深度大于( )的临时接地体。
A. 0.6
B. 0.8
C. 1.0
D. 1.2
【单选题】
若由于设备原因，接地刀闸与检修设备之间连有断路器(开关)，在接地刀闸和断路器(开关)合上后，应有保证断路器(开关)不会( )的措施。
【单选题】
低压配电设备、低压电缆、集束导线停电检修，无法装设接地线时，应采取( )或其他可靠隔离措施。
A. 停电
B. 悬挂标示牌
C. 绝缘遮蔽
D. 装设遮栏
【单选题】
在工作地点或检修的配电设备上悬挂( )标示牌；
A. “在此工作！”
B. “从此进出！”
C. “禁止合闸，有人工作！”
D. “止步，高压危险！”
【单选题】
工作地点有可能误登、误碰的邻近带电设备，应根据设备运行环境悬挂( )等标示牌。
A. “从此上下！”
B. “在此工作！”
C. “止步，高压危险！”
D. “当心触电！”
【单选题】
由于设备原因，( )与检修设备之间连有断路器(开关)，在接地刀闸和断路器(开关)合上后，在断路器(开关)的操作处或机构箱门锁把手上，应悬挂“禁止分闸！”标示牌。
A. 停电设备
B. 隔离开关
C. 接地刀闸
D. 非检修设备
【单选题】
高压开关柜内手车开关拉出后，隔离带电部位的挡板应可靠封闭，禁止开启，并设置( )标示牌。
A. “止步，高压危险！”
B. “禁止合闸，有人工作！”
C. “禁止合闸，线路有人工作！”
D. “当心触电！”
【单选题】
配电线路、设备检修，在显示屏上断路器(开关)或( )的操作处应设置“禁止合闸，有人工作！”或“禁止合闸，线路有人工作！”以及“禁止分闸！”标记。
A. 接地刀闸
B. 母线刀闸
C. 隔离开关（刀闸）
D. 保护压板
【单选题】
配电站户外高压设备部分停电检修或新设备安装，工作地点四周围栏上悬挂适当数量的“止步，高压危险！”标示牌，标示牌应朝向( )。
A. 围栏里面
B. 围栏外面
C. 围栏入口
D. 围栏出口
【单选题】
部分停电的工作，小于表3-1规定距离以内的未停电设备，应装设临时遮栏，临时遮栏可用坚韧绝缘材料制成，装设应牢固，并悬挂( )标示牌。
A. 止步，高压危险！”
B. “禁止合闸，有人工作！”
C. “在此工作！”
D. “禁止合闸，线路有人工作！”
【单选题】
配电设备检修，若无法保证安全距离或因工作特殊需要，可用与带电部分直接接触的( )隔板代替临时遮栏。
【单选题】
城区、( )或交通道口和通行道路上施工时，工作场所周围应装设遮栏(围栏)，并在相应部位装设警告标示牌。
A. 山区
B. 郊区
C. 有人区域
D. 人口密集区
【单选题】
巡视工作应由( )的人员担任。
A. 工作负责人
B. 工作许可人
C. 值班负责人
D. 有配电工作经验
【单选题】
单独巡视人员应经( )批准并公布。
A. 公司领导
B. 工区领导
C. 工区
D. 安质部门
【单选题】
电缆隧道、偏僻山区、夜间、事故或恶劣天气等巡视工作，应至少( )人一组进行。
【单选题】
正常巡视应( )。
A. 穿绝缘鞋
B. 穿纯棉工作服
C. 穿绝缘靴
D. 戴手套
【单选题】
夜间巡线应携带足够的( )。
A. 干粮
B. 照明用具
C. 急救药品
D. 防身器材
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【单选题】
As a person who loves peace, he is committed ___ realizing peace between countries.
A. of
B. about
C. for
D. to
【单选题】
Learning how to use chopsticks is easy for me, ___ learning how to conduct myself at the table is quite difficult.
A. whereas
B. however
C. therefore
D. besides
【单选题】
___ that the patient smokes 50 cigarettes a day, it would be reasonable to assume there is some lung damage.
A. To give
B. Giving
C. Given
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A. of
B. with
C. for
D. about
【单选题】
___ all obstacles and failures, the scientist continued doing his experiments day and night.
A. In spite of
B. In contrast to
C. As a matter of
D. As a result of
【单选题】
I’m willing to ___ that a larger car would have cost more, but I still think we should have bought one.
A. withdraw
B. indicate
C. abandon
D. concede
【单选题】
Manufacturing (制造) companies spend millions of pounds on advertisements, trying to ___ customers that their products are better than those of other companies.
A. confine
B. convince
C. depress
D. reconcile
【单选题】
He is not the right person for the project: he is not very technically minded and ___, he does not have the sense of responsibility.
A. instead
B. yet
C. furthermore
D. nevertheless
【单选题】
Death rates declined in many places, partly because of the ___ in hunger.
A. decrease
B. myth
C. obstacle
D. burden
【单选题】
In deciding whether or not a situation is safe, pilots must be taught to assume that the worst will happen, and then to ___ whether there is a risk or not.
A. absorb
B. apply
C. assess
D. occupy
【单选题】
The worker was not worried as he knew that if he gave up the job, there would be ___ opportunities for him to work somewhere else.
A. formative
B. marginal
C. vigorous
D. numerous
【单选题】
The research shows the region might ___ overheating (经济过热), but the policymakers so far appear to be relatively relaxed about the future of the economy.
A. catch a glimpse of
B. be at risk of
C. take a toll on
D. be free from
【单选题】
Measures have been taken to ensure that no student will have to ___ of college for economic reasons.
A. lay out
B. cancel out
C. drop out
D. stand out
【单选题】
Stress that is not treated can lead to significant medical illnesses, which ___ can lead to greater stress and even depression (抑郁症).
A. after all
B. in turn
C. on the contrary
D. at least
【单选题】
Narcissism (自恋) has its benefits in terms of self-belief and confidence, but it also tends to be ___ risky decision-making.
A. associated with
B. contrasted with
C. reserved for
D. relieved of
【单选题】
When Tom saw his doctor again, she suggested that maybe a more substantial lunch, like a sandwich, might ___ his desire to have snacks in the afternoon.
A. count on
B. cut back on
C. hold on to
D. contribute to
【单选题】
You shouldn’t ___ – let your children make their own decisions.
A. interact
B. abuse
C. startle
D. interfere
【单选题】
This is a huge and difficult project and if you take it up, you ___ many difficulties.
A. like to encounter
B. like encountering
C. are likely to encounter
D. are like to encounter
【单选题】
The ability to live for a long time without water is characteristic ___ the camel.
A. of
B. for
C. about
D. in
【单选题】
Rising sales is a good ___ that this product is well received in the market.
A. response
B. convention
C. indication
D. Influence
【单选题】
When tourists travel abroad, they are sometimes ___ by the local people because the tourists don’t know the real value of products.
A. turned in
B. given chase
C. wrapped up
D. ripped off
【单选题】
The professor’s lecture ___ the capacity of his young audience. They all looked puzzled at him.
A. pointed out
B. went beyond
C. contributed to
D. kept off
【单选题】
We must ___ on the amount of time we use on this project.
A. cut both ways
B. cut in line
C. cut off
D. cut down
【单选题】
We have to be very patient with this experiment. It will take time for some effects to ___ clearly.
A. build up
B. break up
C. clear up
D. show up
【单选题】
Perhaps there is a(n) ___ of truth in both theories, but few of us would ever have the opportunity to find out.
A. lump
B. substance
C. section
D. element
【单选题】
Be careful when you get along with her because she is known for her short ___.
A. temper
B. emotion
C. mood
D. feeling
【单选题】
It seems that wearing less formal clothing to school and work is becoming a(n) ___.
A. trend
B. campaign
C. goal
D. occurrence
【单选题】
You cannot correct children’s bad behavior simply with a (n) ___ or two on the hand or face.
A. slap
B. smash
C. slam
D. strike
【单选题】
Our investigations (调查) ___ something very surprising – many of the employees are underpaid and work overtime all the time.
A. reveal
B. bump
C. rip
D. frustrate
【单选题】
She was James’s faithful assistant, in whom he could have ___ confidence.
A. essential
B. automatic
C. ultimate
D. absolute
【单选题】
If you visit this website, you can ___ the categories to find information about all the universities in that area.
A. observe
B. browse
C. glance
D. look
【单选题】
Making New Year’s resolutions (计划) is a custom that still ___ in this country.
A. prevails
B. attaches
C. descends
D. launches
【单选题】
The military officers were more ___ about their own victory and therefore more willing to predict their enemy’s defeat.
A. appropriate
B. ignorant
C. negative
D. optimistic
【单选题】
___ is no doubt that overwork and much worry caused his illness.
A. It
B. There
C. Here
D. This
【单选题】
___ a day goes by that I don’t receive dozens of junk mails in my email box.
A. None
B. Usually
C. Nearly
D. Hardly
【单选题】
Please trust me. Try this new method ___.
A. you feel very relaxed
B. and you feel very relaxed
C. you will feel very relaxed
D. and you will feel very relaxed
【单选题】
John said Mom was coming back tomorrow, not next week. If this is the ___, we’ll all have to clean the house thoroughly.
A. point
B. norm
C. question
D. case
【单选题】
It is far too late for you to go out and play football, ___ the fact that it’s raining.
A. no doubt
B. despite
C. given
D. not to mention
【单选题】
However, under no circumstances should we ___ our achievements, nor should we regard our accomplishments as unimportant.
A. present
B. perceive
C. exemplify
D. exaggerate
【单选题】
Jane picked up a magazine from the bookshelf and started reading here and there ___.
A. accurately
B. randomly
C. emotionally
D. continually
