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【判断题】
在隐患排查治理工作中自然环境恶劣属于环境的不安全条件
A. 对
B. 错
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相关试题
【判断题】
基坑(槽)施工中一般可不防止地面水流入坑沟内。
A. 对
B. 错
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挡土墙的作用主要用来维护土体边坡的稳定,防止坡体的滑移和土体边坡的坍塌。
A. 对
B. 错
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人工开挖土方时,两个人操作间距应保持1~2m,并应自上而下逐层挖掘。
A. 对
B. 错
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土坡放坡坡度要根据工程地质和土坡高度,结合当地同类土体的稳定坡度值确定。
A. 对
B. 错
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电缆接头的拆除与装配必须切断电源方可进行作业。
A. 对
B. 错
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四级风力及其以上应停止一切吊运作业。
A. 对
B. 错
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安装钢筋模板组合体时,吊索应按模板设计的吊点位置绑扎。
A. 对
B. 错
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在下层楼板上支模板时无需考虑楼板的承载能力。
A. 对
B. 错
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计算模板及支架结构或构件的强度、稳定性和连接的强度时,应采用荷载设计值。
A. 对
B. 错
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荷载设计值为恒载的标准值乘以荷载分项系数。
A. 对
B. 错
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计算模板承载能力极限状态,应采用荷载效应的基本组合。
A. 对
B. 错
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模板及其支架应具有足够的承载能力、刚度和稳定性,应能可靠的承受新浇筑的混凝土的自重,侧压力和施工过程中所产生的荷载及风荷载。
A. 对
B. 错
【判断题】
模板的支架支承部分安装在基土上时,应加设垫板,垫板应有足够强度和支撑面积,且应中心承载,基土应坚实,并有排水措施。
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地锚一般用钢丝绳、钢管、钢筋混凝土预制件、圆木等作埋件埋入地下做成。
A. 对
B. 错
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钢丝绳局部断丝可降级使用。
A. 对
B. 错
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重要的地锚在使用时,必须设专人检查绳卡是否牢固,地锚有无松动及被拉出的危险。
A. 对
B. 错
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吊钩由于长期使用产生剥裂,必须对其焊接修补后方可继续使用。
A. 对
B. 错
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“十不吊”是吊装作业必须遵循的原则。
A. 对
B. 错
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当拆除工程对周围相邻建筑安全可能产生危险时,必须采取相应保护措施,建筑内的人员不必撤离安置。
A. 对
B. 错
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拆除管道及容器时,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。
A. 对
B. 错
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在拆除工程作业中,发现不明物体,应停止施工,采取相应的应急措施,保护现场并应及时向有关部门报告。
A. 对
B. 错
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拆除工程施工区应设置硬质围挡,围挡高度不应低于1.5m。
A. 对
B. 错
【判断题】
挖掘机向运土车辆装车时,司机离开驾驶室后也不得将铲斗越过驾驶室装车。
A. 对
B. 错
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在行驶或作业中,除驾驶室外,装载机任何地方均严禁乘坐或站立人员。
A. 对
B. 错
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机动翻斗车严禁料斗载人。
A. 对
B. 错
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混凝土输送泵敷设垂直向上的管道时,垂直管可以直接与泵的输出口连接。
A. 对
B. 错
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搅拌机作业中,当料斗提升时,严禁任何人在料斗下停留或通过。
A. 对
B. 错
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铲运机上、下坡道时,应低速行驶,不得中途换档,下坡时不得空档滑行。
A. 对
B. 错
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当塔机吊重超过最大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。
A. 对
B. 错
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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。
A. 对
B. 错
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动臂式和尚未附着的自升式塔机,塔身上不得悬挂标语牌。
A. 对
B. 错
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风力在四级以上时,塔机不得进行顶升作业。
A. 对
B. 错
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任何人发出的紧急停止信号,起重机司机都应该服从。
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B. 错
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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。
A. 对
B. 错
【判断题】
根据福建省《建筑施工塔式起重机、施工升降机报废规程》,公称起重力矩为63t•m~125t•m(不含125t•m)且最大起重量为6t~8t(不含8t)的小车变幅水平臂架式塔式起重机,使用年限不得超过12 年。
A. 对
B. 错
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根据福建省《建筑施工塔式起重机、施工升降机报废规程》,SC型非变频式施工升降机整机使用年限不得超过5年。
A. 对
B. 错
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施工升降机的防坠安全器壳体有裂纹或自出厂之日起满5 年的,该防坠安全器应及时报废。
A. 对
B. 错
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连墙件在脚手架中的作用是:不论有风无风均受力,既承传水平风荷载,又承传因约束脚手架平面外变形所产生的水平力。
A. 对
B. 错
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对脚手架立杆接长的规定是:除顶层顶步外,其余各层各步必须采用搭接连接。
A. 对
B. 错
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扣件拧紧扭力矩应控制在以下范围:≧40N•m;≦65 N•m。
A. 对
B. 错
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The main duty of the British Privy Council is to .
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is regarded as “the father of American literature”.
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The National Day of the United States falls on .
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Of the following, is NOT among the three major radio and TV networks in America.
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is sold especially to the upper or upper-middle class and it has a reputation for its serious attitude and great bulk.
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Of the following, is NOT the responsibility of the board of trustees in U. S. institutions.
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Of the following, are NOT among the categories of American higher education.
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Higher education in the United States began with the founding of
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Formal education in the United States consists of , secondary and higher education.
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At present, U. S. exports account for of the world’s total.
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is not one of the three giants in American automobile industry.
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The following statements are all true except .
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About of American crops are for export.
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President Johnson tried to build a “Great Society” by introducing various programs like the following except .
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The following inventions took place during the “second indThe following inventions took place during the “second industrial revolution” except .
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The first National Bank of the United States was established with the urge of .
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Chartered companies were NOT granted the by the British King or Queen.
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The modern American economy progressed from to , and eventually, to .
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America produces a major portion of the world’s products in the following fields except .
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The President is directly voted into office by .
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D. D. the senators and representatives
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The Supreme Court is composed of justices.
A. A. six
B. B. seven
C. C. eight
D. D. nine
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The terms for a Senator and Representative are and years respectively.
A. A. two, four
B. B. two, three
C. C. two, six
D. D. six, two
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According to the Constitution, a candidate for President must be .
A. A. at least 35 years old
B. B. at least a 14 years’ resident of the United States
C. C. born in America
D. D. all of the above
【单选题】
The following except are all powers of the President.
A. A. vetoing any bills passed by Congress
B. B. appointing federal judges when vacancies occur
C. C. making laws
D. D. issuing executive orders
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All the following except cannot make legislative proposal.
A. A. the Senator
B. B. the Representative
C. C. the Secretary of State
D. D. the President
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The following except are guaranteed in the Bill of Rights.
A. A. freedom of religion
B. B. the right to get into people’s house by police
C. C. freedom of speech and of press
D. D. the right to own one’s weapon if one wishes
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The Bill of Rights .
A. A. defines the rights of Congress and the rights of the President
B. B. guarantees citizens of the United States specific individual rights and freedoms
C. C. is part of the Declaration of Independence
D. D. has no relationship with the Constitution
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The Constitution of the United States .
A. A. gives the most power to Congress
B. B. gives the most power to the President
C. C. tries to give each branch enough power to balance the others
D. D. gives the most power to the Supreme Court
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