【多选题】
___0079.保护接地线可采用( )方式进行连接。
A. 焊接
B. 钩挂
C. 压接
D. 螺栓连接
查看试卷,进入试卷练习
微信扫一扫,开始刷题

答案
ACD
解析
暂无解析
相关试题
【多选题】
___0081.( )的配电线路应设置漏电保护器。
A. Ⅰ类手持式及移动式临时性用电设备
B. 环境特别恶劣或潮湿场所的电气设备
C. 家用电器类或插座回路
D. 由IT系统供电的用电设备
【多选题】
___0084.根据《通用用电设备配电设计规范》(GB 50055—2011),电梯机房的每路电源进线均应装设隔离电器,并应装设在电梯机房内便于( )的地点。
A. 通风
B. 操作
C. 维修
D. 光照
【多选题】
___0092.防止导线短路起火的措施主要有( )。
A. 导线应有保护措施,避免绝缘层破损
B. 保持导线使用环境良好
C. 在敷设导线时,只能采用阻燃配管
D. 使导线与断路器匹配
【多选题】
___0093.下列属于触电事故发生规律的有( )。
A. 高压明显多于低压
B. 电气连接部位明显多于其他部位
C. 携带式设备和移动式设备明显多于固定设备
D. 错误操作和违章作业明显
【多选题】
___0095.造成触电事故的主要原因有( )。
A. 定期进行设备检查维修
B. 电气设备或电气线路安装不符合要求
C. 电气设备运行管理存在缺陷
D. 未执行安全作业流程
【多选题】
___0096.根据《通用用电设备配电设计规范》(GB 50055—2011),可采用专用线路供电的有( )。
A. 小容量的电焊机
B. 大容量的电焊机
C. 容量较大的电阻焊机
D. 电渣焊机
【多选题】
___0097.根据《1kV及以下配线工程施工与验收规范》(GB 50575—2010),刚性绝缘塑料导管不宜敷设在( )的场所。
A. 潮湿
B. 穿越高温
C. 多尘
D. 易受机械损伤
【多选题】
___0098.根据《1kV及以下配线工程施工与验收规范》(GB 50575—2010),线槽不宜敷设在( )场所。
A. 易受机械损伤
B. 高温场所
C. 潮湿
D. 露天场所
【多选题】
___0112.《爆炸危险环境电力装置设计规范》(GB 50058—2014)不适用于( )等环境。
A. 矿井井下
B. 医疗室内
C. 灾难性事故
D. 海上交通运输工具
【多选题】
___0113.《爆炸危险环境电力装置设计规范》(GB 50058—2014)规定,在工程设计中宜( )消除或减少爆炸性粉尘混合物产生和积聚。
A. 采用封闭布置
B. 采用开敞式布置
C. 采用机械除尘措施
D. 采用露天布置
【多选题】
___0115.《通用用电设备配电设计规范》(GB 50055—2011)规定,交流电动机应装设( )。
A. 短路保护
B. 防爆保护
C. 接地故障的保护
D. 绝缘保护
【多选题】
___0117.《通用用电设备配电设计规范》(GB 50055—2011)规定,每台电梯或自动扶梯的电源线应装设( )。
A. 隔离电器
B. 防尘保护
C. 静电保护器
D. 短路保护电器
【多选题】
___0118.根据《通用用电设备配电设计规范》(GB 50055—2011),电梯机房的每路电源进线均应装设隔离电器,并应装设在电梯机房内便于( )的地点。
A. 通风
B. 操作
C. 维修
D. 光照
【多选题】
___0119.根据《通用用电设备配电设计规范》(GB 50055—2011),可采用专用线路供电的有( )。
A. 小容量的电焊机
B. 大容量的电焊机
C. 容量较大的电阻焊机
D. 电渣焊机
推荐试题
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
My daughter was shy; she was afraid to ask questions,[ ] to questions in class,or talk with other children
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
I got from him only a letter, which was put on my office desk; [ ] to the receipt of this letter I have never heard from him
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
The duties to provide services for children in need are not [ ] to the local social services department
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
We pray that all nations be [ ] and that all people around the world live in peace
【填空题】
controversial,assess, resolve,decrease,alter,abandon,indicate,undermine,compromise, conventional
It was reported the president had [ ]to fight If war was necessary,even if it meant destroying his chances of re-election
【填空题】
controversial,assess, resolve,decrease,alter,abandon,indicate,undermine,compromise, conventional
I had to [ ] one of my email accounts as it was filled with junk mail
【填空题】
controversial,assess, resolve,decrease,alter,abandon,indicate,undermine,compromise, conventional
Darwin's theory of evolution remains[ ] partly because it challenges the religious belief that God created man
【填空题】
advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
He suggested a small but [ ] improvement on our former plan; I really appreciate it.
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
She held her hand above her eyes to [ ]them [ ] the sun so that she could see more clearly the man in front of her
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
The boy studied the signs for over an hour,but still could not [ ]them, so he turned to his teacher for help
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
They [ ] the developed countries to commit more money to protecting the environment
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
We will continue to care for those [ ] and work to establish a society that is generous and prosperous
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
Many people [ ]careers and raising kids so that they forget that their marriages also need to be taken good care of
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
My most favorite program is the one that deals with scientific subjects that ordinary people can [ ]
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
Finally, I would like to [ ]by saying that it has been a tremendous pleasure to work with you all
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
He is a person that you always [ ]when you need help.
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
This restaurant is very popular because it has some separate, smaller rooms [ ] families with small children
【填空题】
in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
Betty loves reading.[ ],“Reading is the most wonderful thing in the world.”
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
Every one of you has made a contribution and I [ ] knowledging what each of you has done to make this academic convention such a success.
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in
They all tried to talk [ ], but I couldn't hear anything they said
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
Yellow flowers in the field always [ ] me [ ] my childhood in the countryside
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
We have been practicing for so long and so hard that our team should [ ]winning the game
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
Research on genes will [ ] exciting new medical treatments.,
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
My family [ ] on my father's unemployment benefit after he lost his job
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
Many subway riders read books or listent music in order to [ ] their time on the way to work
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
In order to make sure he would be able to attend the meeting, I called him up two weeks [ ]
【填空题】
open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
In order to [ ]physical exercise, you have to exercise regularly and for at least half an hour each time
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
Mary was a careful speaker, every word seemed to have been [ ] before it was allowed to escape through her lips
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
He has a special feeling for the brilliant birds, and each spring he eagerly [ ] their return
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
Thanks to the [ ] of air transport,everyone is free to go anywhere at any time
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
John believes that the [ ] of food to the hungry is more helpful than giving money
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
When she heard it was snowing in the city they were going to, she [ ] two more sweaters into her bag.
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
During our stay in Europe we visited many places of [ ] interest, including several castles
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
The wedding ceremony of my sister was a very [ ] experience for our family
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
He was [ ]when he discovered that he didn't have enough money to pay for the red wine he had ordered
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
The local government is pressed to find new places to [ ] dump waste
【填空题】
embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
The new system designed to [ ] harmful emissions排放物) from factories will be put into use soon
【填空题】
explore ,transmit, resource, emerge,yield, pose, assume, confidence,inherit, comprehensive
It is so difficult to [ ] the bottom of the ocean because some parts are very deep.
【填空题】
explore ,transmit, resource, emerge,yield, pose, assume, confidence,inherit, comprehensive
It was about 30 seconds before Alex [ ] from the water, we were quite scared
【填空题】
explore ,transmit, resource, emerge,yield, pose, assume, confidence,inherit, comprehensive
We often [ ] that when other people do the same things as we do, they do them,for the same reasons; but this assumption is not always reasonable