【单选题】
凡在坠落高度基准面（ ）及以上的高处进行的作业，都应视作高处作业。
A. 1.5m
B. 2m
C. 2.5m
D. 3m
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相关试题
【单选题】
在6级及以上的大风以及暴雨、雷电、冰雹、大雾、沙尘暴等恶劣天气下，应停止( )作业。
A. 露天高处
B. 室外
C. 高处
D. 室内高处"
【单选题】
在进行高处作业时，除有关人员外，不准他人在工作地点的下面通行或逗留，工作地点下面应有( )，防止落物伤人。
A. 围网
B. 人员看守
C. 围绳
D. 围栏"
【单选题】
在( )的大风以及暴雨、雷电、冰雹、大雾、沙尘暴等恶劣天气下，应停止露天高处作业。
A. 6级以上
B. 6级及以上
C. 7级以上
D. 7级及以上"
【单选题】
（ ）与工作无关人员在起重工作区域内行走或停留。
A. 被允许后可以
B. 禁止
C. 可以
D. 允许"
【单选题】
起重机上应备有（ ），驾驶室内应铺橡胶绝缘垫，禁止存放易燃物品。
A. 水箱
B. 备用轮胎
C. 灭火装置
D. 绝缘手套
【单选题】
运载超长、超高或重大物件时，物件（ ）应与车厢承重中心基本一致，超长物件尾部应设标志。禁止客货混装。
【单选题】
起重工作由专人指挥，明确分工；起重（ ）应简明、统一、畅通。重大物件的起重、搬运工作应由有经验的专人负责，作业前应进行技术交底，使全体人员均熟悉起重搬运方案和安全措施。
A. 任务
B. 指挥信号
C. 操作信号
D. 安全措施"
【单选题】
没有得到（ ）的同意，任何人不准登上起重机
A. 起重司机
B. 班长
C. 安全员
D. 工作负责人"
【单选题】
水泥杆、线盘的周围应（ ），防止滚动、移动伤人。
A. 隔离
B. 清理
C. 塞牢
D. 无杂物"
【单选题】
起重设备经检验检测机构监督检验合格，并在（ ）部门登记。
A. 安全监察
B. 检验检测
C. 特种设备安全监督管理
D. 基建管理
【单选题】
没有得到（ ）的同意，任何人不准登上起重机。
A. 起重司机
B. 班长
C. 安全员
D. 工作负责人"
【单选题】
凡使用机械牵引杆件上山，应将杆身绑牢，钢丝绳不准触磨岩石或坚硬地面，牵引路线两侧（ ）以内，不准有人逗留或通过。
【单选题】
起重机上应备有灭火装置，驾驶室内应铺橡胶绝缘垫，禁止（ ）。
A. 放置现金
B. 存放易燃物品
C. 悬挂装饰品
D. 存放食品"
【单选题】
如需经过山地陡坡或凹凸不平之处，应预先制定（ ），采取必要的安全措施。
A. 路线
B. 运输方案
C. 运输量
D. 计划
【单选题】
安全标志分（ ）、 指令标志、提示标志四大基本类型。
A. 禁止标志、警告标志
B. 停止标志、警告标志
C. 停止标志、绿色标志
D. 禁止标志、绿色标志"
【单选题】
保险带、绳使用长度在（ ）以上的应加缓冲器。
A. 2米
B. 2.5米
C. 3米
D. 1.5米"
【单选题】
绝缘隔板只允许在（ ）电压的电气设备上使用，并应有足够的绝缘和机械强度。
A. 35kV以下
B. 35kV及以下
C. 110kV及以下
D. 110kV以下"
【单选题】
携带型短路接地线是用于防止设备、线路突然来电，消除感应电压，放尽剩余电荷的（ ）接地装置。
A. 永久
B. 临时
C. 不定时
D. 工作"
【单选题】
安全带的挂钩或绳子应挂在结实牢固的构件上，应采用（ ）的方式。禁止系挂在移动或不牢固的物件上。
A. 高挂低用
B. 低挂高用
C. 低挂
D. 平挂"
【单选题】
现场带电安放绝缘隔板及绝缘罩时，应（ ），使用绝缘操作杆。
A. 戴棉手套
B. 戴手套
C. 戴绝缘手套
D. 穿绝缘靴
【单选题】
Ⅰ类电能表每（ ）月至少现场检验一次，每2-3年轮换一次。
【单选题】
在变电站高压设备区或高压室内搬动梯子时，应（ ）搬运，并与带电部分保持安全距离。
A. 放倒两人
B. 竖直两人
C. 放倒一人
D. 竖直一人"
【单选题】
在通道上使用梯子时，应设（ ）或设置临时围栏。
A. 保安
B. 标志
C. 工作负责人
D. 监护人"
【单选题】
安全带使用期一般为3～5 年，发现异常应（ ）。
A. 修理后使用
B. 提前报废
C. 领导同意后使用
D. 登记后使用"
【单选题】
组织各类安全生产检查属于生产经营单位的（ ）。
A. 安全技术管理
B. 生产组织管理
C. 安全评价
D. 事故管理
【单选题】
我国在工伤事故统计中，按照导致事故发生的原因，将工伤事故分为（ ）类。
【单选题】
检查事故处理是按照（ ）的原则要求处理事故。
A. “三不放过”
B. “五同时”
C. “三同时”
D. “四不放过”"
【单选题】
依据《国家电网公司安全生产工作规定》要求：由企业安监部门负责人主持的会议是（ ）。
A. 班前会和班后会
B. 安全日活动
C. 安全分析会
D. 安全监督及安全网例会
【单选题】
从事特种作业的人员的条件之一是，必须年满（ ）周岁，身体健康。。
【单选题】
在低压带电导线未采取绝缘措施时，工作人员（ ）穿越。
A. 不得
B. 可以
C. 穿工作服
D. 从侧面"
【单选题】
为便于维修工作和事故时人员逃离事故点,成排布置的配电屏长度超过6m时,屏后的通道应设两个出口.当两出口之间的距离超过( )m时,其间尚应增加出口。
【单选题】
若室外配电装置的( )设备停电，只有个别地点保留有带电设备而其他设备无触及带电导体的可能时，可以在带电设备四周装设全封闭围栏。
A. 小部分
B. 大部分
C. 全部
D. 一部分
【单选题】
高压设备发生接地时，室外不准接近故障点（ ）m以内。
【单选题】
非运行人员在高压回路上使用钳形电流表测量电流，应该（ ）。
A. 填用第二种工作票
B. 填用第一种工作票
C. 由两人进行
D. 由有经验的人员进行"
【单选题】
一级动火区是指火灾危险性很大，发生火灾时后果（ ）的部位或场所。
A. 不严重
B. 很轻微
C. 较严重
D. 很严重
【单选题】
工作许可人应是经（ ）书面批准的有一定工作经验的运行人员或检修操作人员（进行该工作任务操作及做安全措施的人员）。
A. 工区（所、公司）生产领导
B. 本单位调度部门
C. 本单位安全监督部门
D. 分管生产领导"
【单选题】
动火作业应有专人监护，动火作业前应清除动火现场及周围的易燃物品，或采取其他有效的安全防火措施，配备（ ）的消防器材。
A. 全部型号
B. 一定数量
C. 足够适用
D. 合适
【单选题】
（ ）是用以表达向人们提供某种信息（如标明安全设施或场所等）的图形标志。
A. 提示标志
B. 禁止标志
C. 警告标志
D. 指令标志"
【单选题】
电缆两端应悬挂标明电缆编号名称、起点、终点、型号的标志牌，电力电缆还应标注（ ）。
A. 电压等级、直径
B. 电压等级、通流大小
C. 电缆长度、直径
D. 电压等级、长度
【多选题】
根据《生产安全事故报告和调查处理条例》（国务院493令）规定事故调查组的职责包括（ ）。
A. 查明事故发生的经过、原因、人员伤亡情况及直接经济损失
B. 认定事故的性质和事故责任
C. 提出对事故责任者的处理建议
D. 总结事故教训，提出防范和整改措施
E. 提交事故调查报告
推荐试题
【单选题】
The underlined word "they" in the last sentence refers to __________.___
A. the trainers
B. the systems
C. the researchers
D. the dogs
【单选题】
The new law passed in Rome will ________.___
A. help improve fishing environment
B. stop people from catching goldfish
C. guarantee better conditions for goldfish
D. discourage keeping goldfish at home
【单选题】
People in Rome believe that the civilization of a city can be judged by _________.___
A. awareness of animal protection
B. exchanges with other cities
C. protection of ancient ruins
D. recognition of animal lovers
【单选题】
The underlined word "compassion" in Para 2 is the closest in meaning to __________.___
A. support
B. pity
C. help
D. love
【单选题】
People may break the law in Turin if they ________.___
A. keep their dogs or cats in cars
B. shut their dogs home all day long
C. raise their cats near ancient ruins
D. feed homeless animals in car parks
【单选题】
We can infer from the passage that _________.___
A. the owners can leave their dogs in hot cars
B. the cat only lives in modern life
C. the new law can prevent cruelty to animals
D. the new law gives recognition to the
people who feed homeless cat
【单选题】
If a person finds getting up early a problem, most probably ________.___
A. he is a lazy person
B. he refuses to follow his own energy cycle
C. he is not sure when his energy is low
D. he is at his peak in the afternoon or evening
【单选题】
Which of the following may lead to family quarrels according to the passage?___
A. Unawareness of energy cycles.
B. Familiar monologues.
C. A change in a family member's energy cycle.
D. Attempts to control the energy cycle of other family members.
【单选题】
If one wants to work efficiently at his low point in the morning, he should __________.___
A. change his energy cycle
B. overcome his laziness
C. get up earlier than usual
D. go to bed earlier
【单选题】
You are advised to rise with a yawn and stretch because it will __________.___
A. help to keep your energy for the day's work
B. help you to control your temper early in the day
C. enable you to concentrate on your routine work
D. keep your energy cycle under control all day
【单选题】
Which of the following statements is NOT true?___
A. Getting off to work with a minimum effort helps save one's energy.
B. Dr. Kletman explains why people reach their peaks at different hours of day.
C. Habit helps a person adapt to his own energy cycle.
D. Children have energy cycles, too.
【单选题】
An effective way to prevent the burnout of young athletes is __________.___
A. to increase their sense of success
B. to make sports less competitive
C. to reduce their mental stress
D. to make sports more challenging
【单选题】
According to the passage sport is positive for young people in that __________.___
A. it can help them learn more about society
B. it enables them to find flaws in themselves
C. it teaches them how to set realistic goals for themselves
D. it can provide them with valuable experiences
【单选题】
Many coaches and parents are in the habit of criticizing young athletes __________.___
A. without realizing criticism may destroy their self-confidence
B. in order to make them remember life's lessons
C. believing that criticism is beneficial for their early development
D. so as to put more pressure on them
【单选题】
According to the passage parents and coaches should __________.___
A. help children to win every game
B. pay more attention to letting children enjoy sports
C. train children to cope with stress
D. enable children to understand the positive aspect of sports
【单选题】
The author's purpose in writing the passage is _________.___
A. to persuade young children not to worry about criticism
B. to stress the importance of positive reinforcement to children
C. to discuss the skill of combining criticism with encouragement
D. to teach young athletes how to avoid burnout
【单选题】
As pointed out at the beginning of the passage, people used to think that air pollution _______.___
A. cause widespread damage in the countryside
B. affected the entire eastern half of the United States
C. had damaged effect on health
D. existed merely in urban and industries areas
【单选题】
As to the greenhouse effect, the author ________.___
A. share the same view with the scientist
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
【单选题】
The underlined word "offset" in the second paragraph could be replaced by _________.___
A. slip into
B. make up for
C. set up
D. catch up with
【单选题】
It can be concluded that ____________.___
A. raising the world's temperature only a few degrees would not do much harm to life on earth
B. lowering the world's temperature merely a few degrees would lead major farming areas to disaster
C. almost no temperature variations have occurred over the past decade
D. the world's temperature will remain constant in the years to come
【单选题】
This passage is primarily about __________.___
A. the greenhouse effect
B. the burning of fossil fuels
C. the potential effect of air pollution
D. the likelihood of a new ice age
【单选题】
What is the major function of paragraph 1?___
A. To arouse the reader's concern.
B. To introduce the theme of the whole passage.
C. To summarize the whole passage.
D. To state the primary uses of TV.
【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient
B. very expensive
C. quite dangerous
D. relatively cheap
【单选题】
Why are some people against TV?___
A. Because TV programs are not interesting.
B. Because TV viewers are totally passive.
C. Because TV prices are very high.
D. Because TV has both advantages and disadvantages.
【单选题】
One of the most obvious advantages of TV is that _________.___
A. it keeps us informed
B. it is very cheap
C. it enables us to have a rest
D. it controls our lives
【单选题】
According to the passage, whether TV is good or not depends on ___________.___
A. its quality
B. people's attitude towards it
C. how we use it
D. when we use it
【单选题】
What regulation was issued by New York State concerning beverage containers?___
A. A fee should be charged on used containers for recycling.
B. Throwaways should be collected by the state for recycling.
C. Consumers had to pay for beverage containers and could get their money back on returning them.
D. Beverage companies should be responsible for collecting and reusing discarded plastic soda bottles.
【单选题】
The returned plastic bottles in New York used to _____________.___
A. be turned into raw materials
B. be separated from other rubbish
C. have a second-life value
D. end up somewhere underground
【单选题】
The key problem in dealing with returned plastic beverage containers is ______________.___
A. how to reduce their recycling costs
B. to sell them at a profitable price
C. how to turn them into useful things
D. to lower the prices for used materials
【单选题】
Recycling has become the first choice for the disposal of rubbish because ______________.___
A. recycling causes little pollution
B. other methods are more expensive
C. recycling has great appeal for the jobless
D. local governments find it easy to manage
【单选题】
It can be concluded from the passage that ____________.___
A. recycling is to be recommended both economically and environmentally
B. local governments in the U.S. can expect big profits from recycling
C. rubbish is a potential remedy for the shortage of raw materials
D. landfills will still be widely used for waste disposal
【单选题】
The author chose to study engineering at a small liberal-arts university because he ________.___
A. intended to be a sensible student with noble ideals
B. wanted to be an example of practicality and rationality
C. intended to be a combination of engineer and humanist
D. wanted to coordinate engineering with liberal-arts courses in college
【单选题】
According to the author, by interacting with people who study liberal arts, engineering students can __________.___
A. broaden their horizons
B. receive guidance in their careers
C. become noble idealists
D. balance engineering and the liberal arts
【单选题】
In the eyes of the author, a successful engineering student is expected ______________.___
A. to be imaginative with a value system to guide him
B. to be a technical genius with a wide vision
C. to have an excellent academic record
D. to be wise and mature
【单选题】
The author's experience shows that he was ________.___
A. creative
B. ambitious
C. irrational
D. unrealistic
【单选题】
The underlined word "they" in "... together they threaten to confuse." (Para.5) refers to ____________.___
A. practicality and rationality
B. engineering and the liberal arts
C. reality and noble ideals
D. flexibility and a value system
【单选题】
It can be learned from the passage that the Ouchidas' house __________.___
A. failed to meet energy conservation standards
B. was designed and constructed in a scientific way
C. is well worth the money spent on its construction
D. is almost faultless from the point of energy conservation
【单选题】
What made the Ouchidas' new house a horrible dream?___
A. Lack of fresh air.
B. Gas leakage in the kitchen.
C. The newly painted walls.
D. Poor quality of building materials.
【单选题】
The underlined word "accentuate" (Para. 3) most probably means "________".___
A. worsen
B. accelerate
C. relieve
D. improve
【单选题】
Why were cracks in old houses not a big concern?___
A. Because environmental protection was given top priority.
B. Because indoor cleanness was not emphasized.
C. Because they were technically unavoidable.
D. Because energy used to be inexpensive.
