【单选题】
拆除施工采用的脚手架、___必须由专业人员搭设。经有关人员验收合格后,方可使用。
A. 安全带
B. 工具
C. 安全网
D. 安全帽
查看试卷,进入试卷练习
微信扫一扫,开始刷题
相关试题
【单选题】
拆除施工严禁立体___作业。水平作业时,各工位间应有一定的安全距离。
【单选题】
作业人员必须配备相应的___用品,并正确使用。
A. 生产
B. 安全
C. 防护
D. 个人劳动保护用品
【单选题】
拆除工程施工前,必须对施工作业人员进行书面___交底。
A. 生产
B. 质量
C. 施工
D. 安全技术
【单选题】
当土方在挖掘出停机面以下时,应选择___作业方式。
【单选题】
挖掘机作业结束后,应停放在___。
A. 高边坡附近
B. 填方区
C. 坡道上
D. 坚实、平坦地带
【单选题】
桩锤在施打过程中,操作人员必须在距离桩锤中心___以外监视。
【单选题】
桩按施工方法分为二大类___及灌注桩。
A. 锤击桩
B. 振动沉管桩
C. 预制桩
D. 静力压桩
【单选题】
D25型柴油打桩锤,其活塞质量为___kg。
A. 250
B. 2500
C. 25000
D. 5000
【单选题】
振动锤启动前,电压应高于额定电压___。
A. 5%
B. 20%
C. 25%
D. 10%~15%
【单选题】
打桩作业前应由___向机组人员进行安全技术交底。
A. 项目经理
B. 班组长
C. 设计院代表
D. 施工技术人员
【单选题】
混凝土搅拌输送车搅拌装置连续运行不超过___。
【单选题】
混凝土泵应在垂直管前端加装长度不少于___m的水平管。
【单选题】
泵送混凝土过程中,因供料中断被迫暂停时,停机时间不得超过___min。
【单选题】
作业时,振动棒插入混凝土中的深度不应超过___。
A. 1/3~2/3
B. 1/3~1/2
C. 2/3~3/4
D. 3/4~4/5
【单选题】
混凝土搅拌机每次加入的拌合料,不得超过搅拌机规定值的___。
A. 5%
B. 10%
C. 15%
D. 20%
【单选题】
混凝土从搅拌机卸出至浇筑完毕,运送时间不超过___min。
【单选题】
混凝土输送车用一搅拌混凝土时,必须在拌筒内加入水量的___水。
A. 2/3
B. 3/4
C. 1/2
D. 4/5
【单选题】
振动棒各插上间距应均匀,一般间距不超过振动棒有效作业半径的___倍。
A. 1.3
B. 1.5
C. 1.7
D. 2
【单选题】
插入振动器在搬动时应___。
A. 切断电源
B. 使电动机停止转动
C. 用软管拖拉
D. 随时
【单选题】
灰浆泵泵送的灰浆的稠度为___mm。
A. 60~80
B. 70~80
C. 80~120
D. 120~140
【单选题】
扣件式钢管脚手架所用的钢管规格尺寸___。
A. Φ48x3.5或Φ51x3
B. Φ38x2.5
C. Φ30x1.5
D. Φ62x4
【单选题】
横向水平杆(小横杆)的最大长度应为___。
A. 3500mm
B. 4000mm
C. 2200mm
D. 5000mm
【单选题】
纵向水平杆(大横杆)的最大长度应为___。
A. 6500mm
B. 5000mm
C. 4500mm
D. 4000mm
【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《钢管脚手架扣件》规定的可锻铸铁制作的扣件
D. 其他形式扣件
【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】
为计算简便,并确保安全,对脚手架立杆要求___。
A. 仅按轴心压杆计算
B. 仅按压弯杆计算
C. 仅按受弯杆计算
D. 既按轴心压杆又按压弯杆计算
【单选题】
计算纵向或横向水平杆与立杆的连接扣件抗滑承载力时,应采用扣件抗滑承载力的设计值,其值为___。
A. 10kN;
B. 3.2kN;
C. 8kN;
D. 40kN
【单选题】
纵向水平杆(大横杆)的内力和挠度按___。
A. 两端固接的单跨梁计算
B. 两跨连续梁计算
C. 三跨连续梁计算
D. 既可按单跨梁又可按三跨连续梁计算
【单选题】
已知双排架连墙件间距竖向为H1,,水平向为L1,风荷载标准值WK,则此脚手架连墙件所受水平力设计值为___。
A. H1×L1×WK+3kN
B. 1.4H1×L1×WK+3kN
C. 1.4 H1×L1×WK+5kN
D. H1×L1×WK+5kN
【单选题】
当脚手板采用竹笆板时,纵向水平杆应满足以下要求___。
A. 等间距设置,最大间距不大于400mm
B. 等间距设置,最大间距不大于300mm
C. 等间距设置,最大间距不大于500mm
D. 间距不限
【单选题】
脚手架作业层上为支承脚手板在非主节点处设置横向水平杆的要求是___。
A. 宜等间距设置,最大间距不大于纵距的1/3
B. 宜等间距设置,最大间距不大于纵距的1/2
C. 宜等间距设置,最大间距不大于1000mm
D. 宜等间距设置,最大间距不大于750
【单选题】
单排脚手架的横向水平杆设置应满足要求___。
A. 一端用直角扣件固定在纵向水平杆上,另一端插入墙内,插入深度不小于180mm
B. 一端用旋转扣件固定在纵向水平杆上,另一端插入墙内,插入深度不小于100mm
C. 一端用旋转扣件固定在纵向水平杆上,另一端插入墙内,插入深度不小于80mm
D. 一端用直角扣件固定在纵向水平杆上,另一端插入墙内,插入深度不小于50mm
【单选题】
脚手架作业层的脚手板铺设规定为___。
A. 可以不满铺
B. 应满铺、铺稳
C. 应铺满、铺稳,离开墙面不超过120~150mm
D. 应铺满、铺稳,离开墙面200~300mm处可以不设任何防护
【单选题】
冲压钢脚手板对接平铺时,接头处构造应满足的要求是___。
A. 接头处必须设一根横向水平杆
B. 接头处必须设两根横向水平杆;脚手板外伸长度应取130~150mm;且两块脚手板外伸长度之和不大于300mm
C. 接头处必须设两根横向水平杆;两块脚手板外伸长度之和不大于400mm
D. 接头处必须设两根横向水平杆;两块脚手板外伸长度之和不大于300mm
【单选题】
脚手板搭接铺设时,接头必须支在横向水平杆上,搭接长度和伸出横向水平杆的长度应分别为___。
A. 大于200mm和不小于100mm
B. 大于80mm和不小于50mm
C. 大于40mm和不小于200mm
D. 大于100mm和不小于50mm
【单选题】
脚手架底层步距不应___。
A. 大于2m
B. 大于3m
C. 大于3.5m
D. 大于4.5m
【单选题】
有—双排脚手架,搭设高度为48m;步距h=1.5m跨距La= 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】
连墙件应靠近主节点设置,这是为了___。
A. 便于施工
B. 便于连墙件没置
C. 便于立杆接长
D. 保证连墙件对脚手架起到约束作用
【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】
对一字形、开口形脚手架连墙件的设置规定___。
A. 是相同的
B. 要求较低
C. 无特别考虑
D. 更为严格,有专门规定
推荐试题
【单选题】
Q2: According to Rubin, what can small companies do to thank holiday workers?___
A. Have talks with their families .
B. Give them good extra benefits .
C. Offer them expensive holiday tokens .
D. Show appreciation to them face to face .
【单选题】
Q3: What can small business owners do to help holiday workers get into the holiday spirit?___
A. Entertain them with big meals .
B. Let them enjoy some holiday games .
C. Give them handmade thank-you cards .
D. Send their families some holiday gift cards .
【单选题】
Q4: Who are supposed to benefit most from this passage?___
A. Workers who have to work during holidays .
B. Employees who intend to earn extra money .
C. Big companies that usually close on holidays .
D. Small businesses that try to be more competitive .
【单选题】
In the first two paragraphs of the passage the writer tries to tell us that___
A. he had lived in Washington D.C. for twenty years
B. he was very imaginative when he was a child
C. he had fond memories of his old neighborhood
D. )he had come from a very poor neighborhood
【单选题】
The writer ,as a child ,was very fond of playing in the basement because ___
A. it was bright and alive
B. it contained a movie house and a space station
C. it was ideal for playing hide-and-seek
D. it was surrounded by trees and flowers
【单选题】
How did the writer feel when he visited his old neighborhood in Washington D.C. ?___
A. Greatly surprised .
B. Very regretful .
C. Quite excited .
D. Very sad .
【单选题】
On his visit to his hometown ,the writer found the old apartment building___
A. see medunfit to live in
B. had been repaired
C. could hardly be recognized
D. looked dirty and smelt horrible
【单选题】
" Youcan never go home again "inthe last sentence of this passage means that___
A. one should never revisit his hometown after many years of absence
B. one will never find his hometown the same as it was in his childhood memory
C. avisit to one's hometown will bring back one's fond memories of home
D. avisit to one's hometown will bring back many sad memorie
【单选题】
We learn from the passage that Tracy died___
A. on December 8,1992
B. of brain damage
C. 24 hours after he fell off the roof of a car
D. in a car crash
【单选题】
Tracy's parents decided to donate Tracy's organs because___
A. Tracy told them to do so just before he died
B. they wanted to save others the pain of seeing a dear one die
C. David's life could continue in a meaningful way
D. they knew David was suffering from a hopeless liver disease
【单选题】
The meeting between the writer's family and Tracy's parents was arranged because___
A. the writer and her husband wished to express their thanks to Tracy's parents
B. the local organ bank wanted to see how both families felt about the donation
C. Tracy's parents wanted to see someone whose life had been saved by the donation
D. the two families were linked by the most bittersweet ties imaginable
【单选题】
The writer and her husband learned how Tracy died___
A. from his parents
B. from the organ bank
C. from the hospital
D. from the doctor who performed the operation
【单选题】
The meeting between the two families helped to ease the Marshes'suffering because___
A. they saw that David looked very much like their son
B. they saw that David had regained health with Tracy's liver
C. they now had someone to share their memories of Tracy
D. they now knew for sure they had done the right thing
【单选题】
The writer's first marriage was unsuccessful because___
A. her husband often woke her up at midnight
B. her husband kept criticizing her
C. she was so unattractive
D. she had a self-esteem problem
【单选题】
When the writer asked for a divorce ,her husband___
A. told her that she would never find one who loved her as he did
B. delayed two years before giving her a reply
C. accused her of having an affair
D. said that she was unattractive and not worth loving
【单选题】
When the writer first met Clint ,she felt that___
A. she should have listened to her friend and met Clint earlier
B. Clint was a nice ,dazzling young man
C. Clint could not be really interested in her
D. she would find true love in Clint
【单选题】
The writer was particularly touched by Clint because___
A. he loved her children and asked for their approval of the marriage
B. he said that he could not imagine a life without her and the children
C. he believed that at 2 and 4 ,the two children were the "menof the house "
D. hekept her company and talked with her until the next morning
【单选题】
The writer's marriage to Clint is important to her mainly because___
A. it gave her and her sons a second chance to live a happy life
B. every day Clint would tell the writer that he loved her
C. it helped her to regain her self respect
D. it made her children happy ,which is all she cared about in life
【单选题】
What was Goodall's childhood dream ?___
A. She dreamed of going to college .
B. She dreamed of studying animals in Africa .
C. She dreamed of becoming a scientist .
D. She dreamed of traveling all around the world .
【单选题】
What did Goodall's mother think of her dream ?___
A. As a girl she should not go to the African jungle .
B. Her dream would remain a dream unless she got the right training .
C. As a girl she should stay away from violent animals .
D. She could make her dream come true if she was determined .
【单选题】
Goodall's most important discovery was that___
A. some animals use tools
B. like humans animals have emotions
C. chimpanzees could attack each other violently
D. termites are chimpanzees'favorite food
【单选题】
Goodall's success is chiefly due to her___
A. exceptional talents
B. scientific training
C. determination and patience
D. enthusiasm and good luck
【单选题】
What is Goodall doing now ?___
A. Studying animal behavior at Cambridge University .
B. Raising funds for the preservation of wildlife .
C. Observing chimpanzees in African jungles .
D. Working hard supervising postgraduate students.
【单选题】
___是我们理解当前所处历史方位的关键词。
A. 新时期
B. 新时代
C. 重要战略机遇期
D. 关键期
【单选题】
中国特色社会主义进入新时代,意味着科学社会主义在21世纪的中国焕发出强大生机活力,在世界上高高举起了___伟大旗帜。
A. 小康社会
B. 社会主义现代化强国
C. 和谐社会
D. 中国特色社会主义
【单选题】
“思想道德修养与法律基础”,是一门融思想性、政治性、科学性、理论性、实践性于一体的___课。
A. 专业基础
B. 通识教育
C. 思想政治理论
D. 专业选修
【单选题】
党的十九大提出到本世纪中叶,要把我国建设成富强、民主、文明、和谐、___的社会主义现代化强国。
【单选题】
思想道德和___都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
【单选题】
中国特色社会主义思想道德建设和___紧密联系、相互促进,为中国特色社会主义事业提供坚实的思想基础、精神支撑和法治保障。
A. 中国特色社会主义文化建设
B. 中国特色社会主义经济建设
C. 中国特色社会主义政治建设
D. 中国特色社会主义法治建设
【单选题】
___是中国最早的现代大学。
A. 清华大学
B. 北京大学
C. 复旦大学
D. 浙江大学
【单选题】
《礼记·中庸》认为,道德修养应“莫见乎隐,莫显乎微,故君子慎其独也”。这种“慎独”的道德修养方法要求我们在学习“思想道德修养与法律基础”课时要注重___。
A. 学习科学理论
B. 理论联系实际
C. 知行统一
D. 多思考深理解
【单选题】
“业精于勤,荒于嬉;行成于思,毁于随”,这句话说明了学习必须做到___
【单选题】
大学生活的中心内容应是___
A. 社会活动
B. 培养动手能力
C. 恋爱
D. 学习
【单选题】
创新学习的基础是___
A. 实事求是
B. 解放思想
C. 求真务实
D. 善于思考
【单选题】
“知之为知之,不知为不知,是知也。”这句话告诉我们,在学习上一定要培养___的优良学风。
A. 求实
B. 一丝不苟
C. 勤奋
D. 敢为人先
【单选题】
以下关于思想道德和法律的关系表述错误的是___。
A. 思想道德为法律提供制度保障。
B. 思想道德为法律提供思想指引和价值基础
C. 思想道德和法律都是调节人们思想行为、协调人际关系、维护社会秩序的重要手段。
D. 坚持和发展中国特色社会主义,既要发挥思想道德的引领和教化作用,又要发挥法律的规范和强制作用。
【单选题】
___是人们的思想观念、政治立场、价值取向、道德情操和行为习惯等方面品质和能力的综合体现,反映着一个人的思想境界和道德风貌。
A. 思想政治素质
B. 道德素质
C. 思想道德素质
D. 法治素质
【单选题】
“人的本质不是单个人所固有的抽象物,在其现实性上,它是一切社会关系的总和。”这句话说明___
A. 自然属性是人的本质属性
B. 社会属性是人的本质属性
C. 自然属性和社会属性都是人的本质属性
D. 自然属性和社会属性都不是人的本质属性
【单选题】
马克思运用辩证唯物主义和历史唯物主义的立场、观点和方法,揭开了人的本质之谜,指出人的本质是___。
A. 单个人所固有的抽象物
B. 一切社会关系的总和
C. 人性本善
D. 人性本恶
【单选题】
马克思指出:人的本质不是单个人所固有的抽象物,在其现实性上,它是一切___的总和。
A. 生产关系
B. 经济关系
C. 社会关系
D. 政治关系