【多选题】
火灾探测器的选择，应符合___等规定。
A. 对火灾初期有阴燃阶段，产生大量的烟和少量的热，很少或没有火焰辐射的场所，应选择感烟探测器
B. 对火灾发展迅速，可产生大量热、烟和火焰辐射的场所，可选择感温探测器、感烟探测器、火焰探测器或其组合
C. 对火灾发展迅速，有强烈的火焰辐射和少量的烟、热的场所，应选择火焰探测器
D. 对火灾形成特征不可预料的场所，可根据模拟试验的结果选择探测器
E. 对使用、生产或聚集可燃气体或可燃液体蒸气的场所，应选择可燃气体探测器
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相关试题
【多选题】
火灾报警后，消防控制设备对防烟、排烟设施应有___等控制、显示功能。
A. 停止有关部位的空调送风，关闭电动防火阀，并接收其反馈信号
B. 关闭有关部位的防火门、防火卷帘，并接收其反馈信号，按顺序接通火灾警报装置和火灾应急广播
C. 启动有关部位的防烟、排烟风机和排烟阀等，并接收其反馈信号
D. 发出控制信号，强制电梯全部停在首层，并接收其反馈信号
E. 控制挡烟垂壁等防烟设施
【多选题】
属于闭式喷水灭火系统的是___
A. 湿式喷水灭火系统
B. 干式喷水灭火系统
C. 预作用喷水灭火系统
D. 雨淋喷水灭火系统
【多选题】
触发器件，主要包括___。
A. 点型火灾探测器
B. 手动火灾报警按钮
C. 消火栓启泵按钮
D. 线型火灾探测器
E. 消防电梯控制按钮
【多选题】
火灾自动报警系统一般由___四部分组成，复杂系统还包括消防控制设备。
A. 闭式喷头
B. 电源
C. 触发器件
D. 火灾报警控制装置
E. 火灾警报装置
【多选题】
火灾自动报警系统分为___种形式。
A. 区域报警
B. 集中报警
C. 控制中心报警
D. 通讯中心报警
【多选题】
二氧化碳灭火剂的灭火原理是___.
A. 稀释氧浓度
B. 窒息燃烧
C. 冷却
D. 化学反应
【多选题】
关于消防电梯的叙述正确的是___：
A. 消防电梯前室的门，应采用乙级防火门或具有停滞功能的防火卷帘。但合用前室的门不能采用防火卷帘。
B. 消防电梯的载重量不应小于800公斤。
C. 消防电梯的行驶速度，应按从首层到顶层的运行时间不超过2分钟计算确定。
D. 消防电梯轿厢的内部装修应采用不燃烧材料。
【多选题】
气体灭火系统不适用于扑救___火灾
A. 强氧化剂、含氧化剂的混合物
B. 能够自身提供氧而且在无空气的条件下仍能迅速氧化、燃烧的物质
C. 活泼金属
D. 不能自动分解的物质
【多选题】
火灾自动报警系统一般由___四部分组成，复杂的系统还包括消防控制设备。
A. 触发器件
B. 火灾报警装置
C. 火灾警报装置
D. 通讯装置
E. 电源
【多选题】
室内消火栓出水方向为___。
A. 向上
B. 向下
C. 与设置消火栓的墙面成90度角
D. 与设置消火栓的墙面成60度角
【多选题】
救生照明线适用于___。
A. 浓烟场所
B. 无照明场所
C. 水下作业
D. 有毒及易燃易爆气体环境
E. 高温火场
【多选题】
水喷雾灭火系统由___等组成。
A. 水雾喷头
B. 雨淋阀组
C. 闭式喷头
D. 管道
E. 供水设备
【多选题】
雨淋系统由___等组成。
A. 雨淋报警阀
B. 开式洒水喷头
C. 闭式喷头
D. 火灾报警装置或传动管
E. 管道、供水设施
【多选题】
室外消火栓的布置应符合___的规定。
A. 室外消火栓应沿道路设置
B. 甲、乙、丙类液体储罐区和液化石油气储罐区的消火栓应设置在防火堤外
C. 市政消火栓保护半径不应大于150m，间距不应大于120m
D. 室外消火栓的数量，应按建（构）筑物室外消防用水量和每个室外消火栓10-15L/s的消防用水量计算确定
E. 室外消火栓宜采用地上式消火栓，且室外消火栓距路边的距离不应大于2 m，距建筑物外墙不宜小于5m
【多选题】
火场供水的方法主要有直接供水、___。
A. 串联供水
B. 运水供水
C. 排吸器供水
D. 传递供水
【多选题】
战斗展开的形式分为___。
A. 准备展开
B. 提前展开
C. 预先展开
D. 全面展开
【多选题】
战斗实施是灭火战斗的主要环节。战斗实施主要包括救人、扑救火灾、保护和疏散物资、排烟以及___等任务。
A. 破拆
B. 供水
C. 救治伤员
D. 减少水渍
【多选题】
战斗结束后要进行下列工作：___。
A. 检查火场
B. 清点人数，整理装备
C. 补充灭火剂
D. 恢复执勤状态
【多选题】
运用战术原则的基本作战形式主要有：___。
A. 控制中消灭，防御中进攻
B. 重点设防
C. 重点守备
D. 打快攻、打近战
【多选题】
火情侦查的方法主要有：___。
A. 外部侦查
B. 内部侦查
C. 询问知情人
D. 仪器检测
【多选题】
医院火灾的特点主要有：___
A. 人员密集，化危品种类多
B. 疏散病人任务重，难度大
C. 烟雾多，火势蔓延快
D. 有些部位不宜用水扑救
【多选题】
灭火方法的具体运用主要包括堵截、夹攻、___、围歼等。
【多选题】
火灾现场总指挥根据扑救火灾的需要，有权决定下列事项：___
A. 使用各种水源
B. 截断电力、可燃气体和可燃液体的输送，限制用火用电
C. 划定警戒区，实行局部交通管制
D. 利用临近建筑物和有关设施
【多选题】
室外消火栓系统按消防给水范围划分为___。
A. 消火栓系统
B. 区域消火栓系统
C. 给水加压系统
D. 室内外合用消火栓系统。
【多选题】
室内消火栓系统的组成有___。
A. 消防水源
B. 供水设备
C. 给水管网
D. 灭火设施
【多选题】
发生火灾后，消防员在消防控制室可以实施以下___灭火战斗行动。
A. 火情侦察
B. 启动消防泵进行供水，启动气体、泡沫、干粉等灭火系统进行灭火
C. 启动防排烟系统进行排烟送风，开启防火门、防火卷帘
D. 对消防电梯进行紧急迫降，通过消防广播系统引导人员疏散
【多选题】
火情侦察的方法有哪些___.
A. 外部侦察
B. 内部侦察
C. 询问知情人
D. 仪器设备侦查
【多选题】
战斗展开分哪几种形式___.
A. 准备展开
B. 预先展开
C. 全面展开
D. 同时展开
【多选题】
组织供水应遵循的原则是___.
A. 就近占据水源
B. 确保重点，兼顾一般；
C. 力争快速不间断
D. 只供主战车
【多选题】
火场清理时，下列说法正确的是___。
A. 必须注意观察建筑物上方建筑构件和高空坠落物。
B. 检查楼梯间、走道、外墙处烧损电线的带电情况，防止发生触电伤害事故。
C. 检查煤气管道、液化气瓶的泄漏情况，防止发生爆燃伤害事故。
D. 检查其他危险化学物品、设备情况，防止发生复燃、中毒、腐蚀伤害事故。
【多选题】
放空点燃必须选择正确的方法。一般方法包括：___
A. 使用信号枪
B. “魔术棒”爆竹
C. 长火炬、火焰喷射器
D. 预置火炉或者着火油盆等。
【多选题】
在实施___等灾害事故救援时，必须着抢险救援服，佩戴抢险救援头盔、靴子、手套等防护装备。
A. 交通事故
B. 建筑倒塌
C. 群众救助
D. 变压器火灾
【多选题】
抢救精神病患者、醉酒者、攻击性动物时，必须请求___部门配合救助，防止自身受到伤害。
A. 公安
B. 医疗
C. 动物管理
D. 交通
【多选题】
起重破拆必须根据现场情况，采取___。
A. 起重气垫严禁重叠使用；起重时，气垫塞入物体下部面积必须在75%以上。
B. 使用牵引设备时，钢丝绳两端连接必须牢固，作业区域内严禁站人。
C. 使用起吊设备时，设备起吊荷载必须大于被起吊物体重量；吊臂下方严禁站人。
D. 在有燃烧爆炸危险的场所进行破拆时，必须使用无火花工具，并使用喷雾（开花）水枪进行掩护。
【多选题】
水域事故行动要求___
A. 救援人员下水救援必须着救生衣、系安全绳，安全绳的另一端要进行固定，专人保护。
B. 潜水员在安全员的检查后方可下水作业，并确定联络信号，定时与保护人员进行联络。
C. 冬季救援时，在下水后应做好水下热体活动，防止肌肉痉挛
D. 在多人落水需要施救，应按“先近后远，先水面后水下”的顺序进行救援。
【多选题】
井下事故行动要求___。
A. 在实施井下救援前，必须掌握井下的情况，井壁是否有发生垮塌的危险。
B. 对情况不明的枯井不得冒然下井，必须在勘察清楚后方可开展救人行动。
C. 救援时，要准确掌握氧气（空气）呼吸器的使用时间和操作要求，防止时间过长或面罩刮掉及供气管线破损，而威胁救援人员的自身安全。
D. 井口周围人员要少而精，防止踩塌井口或掉落物品，发生危险，井口外要组织好机动救援力量，做好救人准备。
【多选题】
沼气池事故处置特点___
A. 沼气的主要成分为甲烷，池内属易燃易爆和有毒场所。
B. 事发位置明显，发现早，报警早。
C. 沼气池往往建在较为隐蔽或远离人群的地方，一旦有人不幸落入其中，难以被及时发现。
D. 救援时间紧迫，救援人员安全防护不当极易造成中毒、伤亡。
【多选题】
公路交通事故的特点是什么___。
A. 事故发生频率高，成因多样，连锁性强。
B. 社会影响大，人员伤亡重，易造成次生灾害。
C. 车辆损毁严重，救援技术性强、难度大。
D. 直接影响生产,威胁居民安全。
【多选题】
下列说法正确的是___。
A. 通过楼梯进入车库时，不要越级跨跳楼梯，不得在跑动中着装；使用滑杆时必须依次下滑，并控制下滑速度。
B. 消防员必须按照指定位置乘坐车内，严禁在车外、车顶搭乘，严禁在车辆起步后追赶登车。
C. 驾驶员必须在本车指挥员确定人员全部登车、车门关牢、车库门完全开启定位并发出指令后，方可驾驶车辆起步出库。
D. 车辆行驶途中，消防员不得将除头部以外的肢体伸出窗外。
【多选题】
扑救高温、高压容器设备火灾时，必须减少前方作战人员，应使用___等远距离射水。
A. 带架水枪
B. 移动炮
C. 遥控灭火消防车
D. 大口径高倍泡沫发生器
推荐试题
【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.
【单选题】
This passage is most probably taken from an article entitled "_________".___
A. Energy Conservation
B. Air Pollution Indoors
C. House Building Crisis
D. Traps in Building Construction
【单选题】
We need to plan ahead in order to ___________.___
A. keep a record of all the events
B. better organize our activities
C. store everything in our head
D. pile up little tasks neatly
【单选题】
Strategic times are best for us to ___________.___
A. save energy
B. check e-mails
C. study efficiently
D. organize activities
【单选题】
Which of the following could be used as a motivation to do our assignments?___
A. Remembering our urgent tasks.
B. Any activities we're eager to do.
C. Taking a break in the afternoon.
D. The promise to study efficiently.
【单选题】
What can help us to keep refreshed throughout the day?___
A. Doing some physical exercise.
B. Taking a short nap in the afternoon.
C. Rushing through some assignments.
D. Playing a game of chess with a friend.
