【判断题】
拆除施工在立体交叉、水平作业时，各工位间应有一定的安全距离
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【判断题】
当临街的被拆除建筑与交通道路的安全距离不能满足要求时，必须采取相应的安全隔离措施
【判断题】
拆除原用于有毒有害、可燃气体的管道及容器时，必须查清其残留物的种类、化学性质，采取相应措施后，方可进行拆除施工
【判断题】
拆除工程施工时，设专人向被拆除的部位洒水降尘，减少对周围环境的扬尘污染
【判断题】
拆除工程施工过程中，当发生重大险情或生产安全事故时，应及时排除险情、组织抢救、保护事故现场，并向有关部门报告
【判断题】
装载机在倾斜的场地上作业时，作业区内不得有障碍物及无关人员
【判断题】
驾驶司机离开挖掘机驾驶室，不论时间长短必须将铲斗落地并关闭发动机
【判断题】
桩机作业时，严禁闲人进入。操作人员应在距桩锤中心3m以外监视
【判断题】
当风速超过七级，应将桩机顺风向停置，并增加缆风绳
【判断题】
打桩作业时，严禁在桩机垂直半径范围以外和桩锤或重物底下穿行停留
【判断题】
搅拌机作业中，当料斗升起时，严禁任何人在料斗下停留或通过
【判断题】
搅拌机在作业期较长的地区使用时，可用支腿将机架支起后，就可使用
【判断题】
搅拌机搅拌过程不宜停车，如因故必须停车，在再次启动前应卸除荷载，不得带载启动
【判断题】
切断机运转中，严禁用手清除切刀附近断头和杂物
【判断题】
钢筋切断机未达到正常运转时，不可切料。送料时应在固定刀片一侧握紧并压住钢筋，以防钢筋末端弹出伤人。可用两手分在刀片握住钢筋俯身送料
【判断题】
灰浆搅拌机运转中，不得用手或木棒等伸进搅拌筒内或在筒口清理灰浆
【判断题】
圆盘锯的安全防护装置包括分料器、锯盘护罩、防护挡板和传动部位防护罩
【判断题】
当塔机吊重超过最大额定起重量并小于最大起重量的110%时，应停止提升方向的运行，但允许机构有下降方向的运动
【判断题】
当起重力矩超过其相应幅度的规定值并小于规定值的110%时，起重力矩限制器应起作用使塔机停止提升方向及向臂根方向变幅的动作
【判断题】
塔机司机对任何人发出的紧急停止信号，均应服从
【判断题】
吊笼（梯笼）是物料提升机运载人和物料的构件，笼内有传动机构、限速器及电气箱等
【判断题】
动臂式和尚未附着的自升式塔机，塔身上不得悬挂标语牌
【判断题】
卷扬机卷筒与钢丝绳直径的比值应不小于50
【判断题】
施工升降机运行到最上层或最下层时，可以采用限位装置作为停止运行的控制开关
【判断题】
风力在四级以上时，塔机不得进行顶升作业
【判断题】
施工现场装有2台以上塔式起重机时，高位起重机最高部件与低位起重机最低部件之间垂直距离不得小于2m
【判断题】
低架物料提升机应当设置安全停靠装置、断绳保护装置、上极限限位器、下极限限位器、吊笼安全门和信号装置等安全保护装置
【判断题】
物料提升机司机应经专门培训，人员要相对稳定，每班开机前，应对卷扬机、钢丝绳、地锚、缆风绳进行检验，并进行空车运行
【判断题】
脚手架纵向水平杆接长宜采用对接扣件连接，也可采用搭接，搭接长度不应小于500mm
【判断题】
纵向水平杆的对接扣件应交错布置：两根相邻纵向水平杆的接头宜设置在同步或同跨内；不同步或不同跨两个相邻接头在水平方向错开的距离不应小于500mm
【判断题】
作业层端部脚手板探头长度应取150mm，其板长两端均应与支承杆可靠地固定
【判断题】
连墙件应均匀布置且宜靠近主节点，偏离主节点的距离不应大于500mm
【判断题】
高度在24m以上的单、双排脚手架，均必须在外侧立面的两端各设置一道剪刀撑，并应由底至顶连续设置，中间每道剪刀撑的净距不应大于15m
【判断题】
双排脚手架横向水平杆的靠墙一端至墙装饰面的距离不宜大于100mm
【判断题】
拆除脚手架时，连墙件必须随脚手架逐层拆除，严禁先将连墙件整层或数层拆除后再拆脚手架
【判断题】
凡在坠落高度基准面2m以上（含2m）有可能坠落的高处进行的作业均称为高处作业
【判断题】
凡是进行高处作业施工的，应使用脚手架、平台、梯子、防护围栏、档脚板、安全带和安全网等
【判断题】
基坑周边、尚未装栏板的阳台、料台与各种平台周边、雨蓬与挑檐边、无外脚手架的屋面和楼层边，以及水箱与水塔周边等处，都必须设置防护栏杆
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
