【单选题】
塔机的任何部位与输电线路的水平距离不得小于___
A. 4m
B. 3m
C. 2m
D. 1m
查看试卷，进入试卷练习
微信扫一扫，开始刷题
答案
C
解析
暂无解析
相关试题
【单选题】
超过（ ）高的塔机，必须在起重机的最高部位（臂架、塔帽或人字架顶端）安装红色障碍指示灯，并保证供电不受停机影响。___
A. 20m
B. 30m
C. 40m
D. 50m
【单选题】
扣件式钢管脚手架所用的扣件应采用___。
A. 钢板压制扣件
B. 可锻铸铁制作的扣件
C. 材质符合国标《钢管脚手架扣件》(GB15831)规定的可锻铸铁制作的扣件
D. 其他新型扣件
【单选题】
在脚手架主节点处必须设置一根横向水平杆（小横杆），用直角扣件扣紧，且严禁拆除，这是因为___
A. 横向水平杆是构成脚手架整体刚度的必不可少的杆件
B. 横向水平杆是承传竖向荷载的重要受力构件
C. 横向水平杆是承传竖向、水平荷载的重要受力构件
D. 横向水平杆是承受竖向荷载的重要受力构件，又是保证脚手架的整体刚度的不可缺少的杆件
【单选题】
当脚手板采用竹笆板时，纵向水平杆的间距应满足以下要求___。
A. 等间距设置，间距不大于400mm
B. 等间距设置，间距不大于600mm
C. 等间距设置，间距不大于500mm
D. 间距不大于400mm
【单选题】
脚手架作业层的脚手板铺设___。
A. 可以不满铺
B. 应满铺、铺稳
C. 应满铺、铺稳，离开墙面应超过120～150mm
D. 应满铺、铺稳，离开墙面200～300mm处可以不设任何防护
【单选题】
高度24m以上的钢管双排脚手架连墙件构造规定为___
A. 可以采用拉筋和顶撑配合的连墙件
B. 可以采用仅有拉筋的柔性连墙件
C. 可采用顶撑顶在建筑物上的连墙件
D. 必须采用刚性连墙件与建筑物可靠连接
【单选题】
有一双排脚手架，搭设高度为48m；步距K=1.5m，跨距ta=1.8m，此脚手架连墙件布置除应满足计算要求外，其最大竖向间距和最大水平间距还应不大于___。
A. 竖向6m、水平向6m
B. 竖向5m、水平向5.4m
C. 竖向4.5m、水平向5.4m
D. 竖向4.5m、水平向6m
【单选题】
连墙件设置要求是___。
A. 应靠近主节点，偏离主节点的距离不应大于600mm
B. 应靠近主节点，偏离主节点的距离不应大于300mm
C. 应远离主节点，偏离主节点的距离不应小于400mm
D. 应远离主节点，偏离主节点的距离不应小于600mm
【单选题】
运料斜道的宽度和坡度的规定是___。
A. 不宜小于0.8m和宜采用1∶6
B. 不宜小于1.5m和宜采用1∶6
C. 不宜小于0.5m和宜采用1∶3
D. 不宜小于1.5m和宜采用1∶7
【单选题】
人行斜道的宽度和坡度的规定是___。
A. 不宜小于1m和宜采用1∶8
B. 不宜小于0.8m和宜采用1∶6
C. 不宜小于1m和宜采用1∶3
D. 不宜小于1.5m和宜采用1∶7
【单选题】
立杆底座下的垫板长度和厚度尺寸是___。
A. 不宜小于3跨和小于50mm
B. 不宜小于2跨和小于50mm
C. 不宜小于2跨和小于30mm
D. 不宜小于3跨和小于30mm
【单选题】
脚手架施工荷载按均布荷载计算取值共分为：___。
A. 承重架(结构施工架)3kN／m2、装修架2kN／m2
B. 承重架2.7kN／m2、装修架2.5kN／m2
C. 承重架2 kN／m2，装修架1 kN／m2
D. 承重架5 kN／m2，装修架4 kN／m2
【单选题】
脚手架搭设时，应遵守___。
A. 一次搭设高度不应超过相邻连墙件以上二步
B. 一次搭设高度可以不考虑连墙件的位置
C. 一次搭设高度可以在相邻连墙件以上四步
D. 一次搭设高度可以在相邻连墙件以上五步
【单选题】
开始搭设立杆时，应遵守下列规定：___。
A. 每隔6跨设置一根抛撑，直至连墙件安装稳定后，方可拆除
B. 搭设立杆时，不必设置抛撑，可以一直搭到顶
C. 待立杆搭设到顶后，再回过头来安装连墙件
D. 相邻立杆的对接扣件都可在同一个水平面内
【单选题】
纵向水平杆(大横杆)的对接扣件应符合下列规定：___。
A. 应交错布置，两根相邻杆的接头，在不同步或不同跨的水平方向错开的距离应不小于500mm，各接头中心距最近的主节点的距离不大于纵距的1/3
B. 两根相邻杆的接头，应在同一步和同一跨内布置
C. 两根相邻杆的接头，可在同一个竖向平面内
D. 两根相邻杆的接头，在水平方向的接头可在200mm以内
【单选题】
高度在24m以下的单、双排脚手架，均必须在外侧立面设剪刀撑，其规定为___。
A. 两端各设一道，并从底到上连续设置，中间每道剪刀撑净距不应大于15m
B. 无论多长的脚手架只需在两端各设一道剪刀撑
C. 剪刀撑不要从底到上连续设置
D. 剪刀撑的设置没有规定，可随意设置
【单选题】
建筑工程外脚手架外侧采用的全封闭安全立网，其网目密度不应低于___。
A. 800目/100cm2
B. 1000目/100cm2
C. 1500目/100cm2
D. 2000目/100cm2
【单选题】
安全防护设施的验收，应具备施工组织设计及有关验算数据、安全防护设施验收记录、安全防护设施( )等资料。___
A. 变更记录
B. 变更验收
C. 变更签证
D. 变更记录及签证
推荐试题
【填空题】
explore ，transmit， resource， emerge，yield， pose， assume， confidence，inherit， comprehensive
Given the chance to show his ability, he regained [ ]and began to succeed in school
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
The new government has committed to [ ] emissions of greenhouse gases
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
My parents do not object to my taking part-time jobs, but they remind me not to let them [ ] my school work
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
Anger, worry, disappointment, these negative emotions [ ] your heart, brain and body
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
If a person adopts an unhealthy lifestyle, he will surely be [ ]developing diseases.
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
Most people were ready to give up on him when he [ ] of school, but later he returned and earned his degree
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
Drinking too much can increase the risk of developing high blood pressure, which [ ] can lead to heart attack or stroke
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
Low-cost airlines are emerging all over Asia; this will [ ]the development of the worlds air-travel market as a whole
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
When you move to a new country, you may find the food there strange and you may miss the familiar smells of the food [ ] in your country
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
Although he kept trying and failing, I always [ ] the belief that he would succeed one day.
【填空题】
take a toll on，in other words ，drop out，in turn ，at risk (of) ，interfere with，be accustomed to， contribute to，cut back on ，hold on to
The tax only affects people with an annual income over $200,000-[ ], it will only attect the very rich.
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Studies[ ]that children who often take part in cooperative programs benefit a lot more than other children
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
They are such a(n) [ ] family- they must have been shocked when their son dyed(染) his hair pink,
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Testing students by examinations has long been regarded as a reliable way to [ ]students'ability
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Many power stations have been modernized to give off less pollution, or they were moved further away from the living areas in order to [ ] the damage,
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Unemployment has come down slightly, but this does not [ ]the fact that it is still a major problem
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
Mr. Smith is not doing well; the doctor told us that several colds [ ]his health
【填空题】
controversial，assess， resolve，decrease，alter，abandon，indicate，undermine，compromise， conventional
The best way to deal with problems at home is to talk things out calmly and honestly and try to reach a(n) [ ]
【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，
Experts say our company is amazing in that sales have been increasing steadily [ ]
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
After 10 years of full-time training, she has,finally [ ] as a professional dancer.
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
[ ], what is the point in taking part in the competitive event if the result is only to prove how incompetent you are?,
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
Redecorating the house is a challenging task. It's necessary to [ ] the wallpaper first.
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
I never really had any problems with change. On the contrary, I welcome change [ ]
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
A lot of what we [ ] is made from raw materials which are not renewable
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
Megan and John realized that their house was too messy for a new baby, so they decided to [ ] their house before the baby was born
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
Jennifer couldn't [ ] her tears when she saw the sick children at a new blood cancer center in Virginia
【填空题】
make it， with open arms ，strip off，keep back，
free of/ from ，after all，straighten up， throw away
We want to give all children a world [ ] violence
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
Fortunately, the accident didn't [ ] many people, for there was little traffic at that hour.
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
She[ ] her ambition of becoming a fashion designer after years of hard work
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
They kept on trying their best to develop
their business, but in such [ ]market competition, they had no Idea if success would come along one day
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
As music plays an important role in our life, many music teachers and educators [ ] taking up a musical instrument at a young age
【填空题】
advocate，involve，confine，respond，subsequent ，distinct ，intense， fulfill，circumstance， reconcile
This rule should be entirely clear in the minds of everyone and should not be misunderstood under any [ ]
