【单选题】
处置危险性较大的灾害事故，一旦接到撤退命令，一律___撤离。
A. 携带装备
B. 徒手
C. 携带器材
D. 开消防车
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相关试题
【单选题】
放空点燃必须从___方向接近，并保持足够的安全距离。
A. 上风
B. 侧上风
C. 上风或侧上风
D. 下风
【单选题】
各级消防救援队伍必须建立___管理制度，健全安全组织，设立安全员，制定安全措施，落实安全责任，定期组织安全检查。
A. 作战安全
B. 训练安全
C. 作战和训练
D. 作战和训练安全
【单选题】
各级消防救援队伍必须遵循___的指导思想，牢固树立安全意识，严密组织，科学实施，减少和避免各类安全事故的发生。
A. 安全第一.预防为主
B. 安全第一
C. 预防为主
D. 以练为战
【单选题】
排烟防火阀安装在排烟系统的管道上，烟气温度超过___时能自行关闭。
A. 72℃
B. 70℃
C. 280℃
D. 220℃
【单选题】
使用消火栓系统试水检测装置检测消火栓的动压时，正确的检测顺序是：___①将水带一端连接到消火栓栓口；②安装好压力表，调整压力表至便于观察的位置；③缓慢打开消火栓放水阀门开始放水，待出水水柱稳定后，读取压力表的数值即为消火栓的动压；④将水带的另一端与消火栓系统检测装置相连接，将端盖从装置上拧下来。
A. ①②③④
B. ③①④②
C. ①④②③
D. ④①②③
【单选题】
消防电梯的运行速度与建筑高度相适应，应保证___分钟内到达顶层。
【单选题】
防排烟的设计理论就是对___的理论。
A. 烟气控制
B. 火灾控制
C. 人员疏散控制
D. 火灾扑救
【单选题】
《中华人民共和国消防法》由中华人民共和国第十三届全国人民代表大会常务委员会第十次会议于___修订通过
A. 2019年4月21日
B. 2019年4月22日
C. 2019年4月23日
D. 2019年4月24日
【单选题】
避火服适用于高温有火灼伤危险的场合，防火温度___℃，防辐射温度（）℃。
A. 833，1111
B. 800，1000
C. 600，900
D. 600，1000
【单选题】
电绝缘手套有经特殊处理的天然橡胶制成，最高测试电压5000伏，最高使用电压___伏，具有耐油.耐酸.耐臭氧和耐低温，抗机械强度。
A. 800
B. 1000
C. 1200
D. 5000
【单选题】
毒害品引起人体和其他动物中毒的主要途径是___。
A. 呼吸道和消化道
B. 呼吸道和皮肤
C. 消化道和皮肤
D. 呼吸道.消化道和皮肤
【单选题】
多用途滤毒罐主要用于氧气含量不低于___，在一定浓度的有害气体场所使用，尤其适合进入狭小和通风条件不好的空间。
A. 17%
B. 19%
C. 13%
D. 15%
【单选题】
井下救人时，当井口已垮塌.人员被埋压时，应___井口作业人员，及时调集挖掘机等工程机械到现场协助救援。
【单选题】
在泄漏区域的___设置指挥部和停放救援车辆，并保持适当距离。应从上风.侧上风方向选择进攻路线，设置水枪阵地。进入危险区的车辆必须戴防火罩。
A. 下风.侧下风
B. 下风方向
C. 上风.侧上风
D. 上风方向
【单选题】
在进入浓烟.高温或者有毒区域搜救人员时，必须在___或者驱散稀释措施的配合下行动。
A. 水枪冷却掩护却
B. 排烟装置
C. 人员保护
D. 佩戴个人防护装备
【单选题】
进入有毒.缺氧区域时，必须佩戴___。
A. 消防头盔
B. 消防靴
C. 空（氧）气呼吸器
D. 消防防化服
【单选题】
进行水域救援时，必须着救生衣或者佩戴潜水装具，并使用___保护。
A. 安全绳
B. 救生艇
C. 消防头盔
D. 消防防护服装
【单选题】
救人的器材主要不包括___。
A. 举高消防车.直升飞机
B. 拉梯.挂钩梯.摇梯.安全绳
C. 空气呼吸器.防毒面罩
D. 缓降器.救生垫.救生袋.救生绳
【单选题】
利用6米或9米二节拉梯.救助绳等迅速将待救者从建筑物的二.三层救出的方法，需___名消防员相互配合，共同操作。
【单选题】
某火场周边水源缺乏，水源距火场约1500米，最好采取___方式供水。
A. 接力供水
B. 运水
C. 并联供水
D. 耦合供水
【单选题】
在现场急救中，一般应灵活掌握先抢后救.先重后轻.先急后缓.___的顺序，最大限度减少人员伤亡。
A. 先老后幼
B. 先多后少
C. 先难后易
D. 先近后远
【单选题】
公路交通事故行动中救援车辆一时无法接近事故现场时，救援人员应先携带___的破拆.救生.起重等器材装备，迅速赶赴现场进行救援。
【单选题】
攀登器材分为单杠梯.挂钩梯二节拉梯.三节拉梯和___。
A. 8m拉梯
B. 10m拉梯
C. 15m接梯
D. 16m拉梯
【单选题】
___，防止蔓延或减缓火势蔓延速度，或在堵截过程中消灭火灾，是积极防御于主动进攻相结合的灭火战斗基本方法。
A. 堵截火势
B. 破拆
C. 灭火
D. 堵截
【单选题】
___，即从相对的方向向燃烧区域进攻，堵截控制蔓延，逐渐缩小燃烧区范围，消灭火灾的作战形式。
【单选题】
液化石油气易于空气形成爆炸性混合物，爆炸极限是___。
A. 1.5%-10%
B. 1%-10%
C. 1%-10.5%
D. 1.5%-10.5%
【单选题】
苯的爆炸极限一般为___。
A. 1.5%-10%
B. 1%-10%
C. 1.2%-8%
D. 1.5%-10.5%
【单选题】
液氯由液相变为气相体积扩大约___倍。
A. 200
B. 400
C. 300
D. 150
【单选题】
某一段宽50m.长200m的道路受到沙林毒剂的污染，现使用10%的氢氧化钠水溶液消毒，消耗标准为2Kg/m2，需要配置氢氧化钠消毒液___。
A. 1000Kg
B. 10000Kg
C. 20000Kg
D. 40000Kg
【单选题】
某一高层民用建筑，其室内设计消防用水量为100L/s，某日发生火灾，火场燃烧面积为1500m2，若灭火用水供给强度为0.15L/s•m2，则该火场的实际用水量为___L/s。
A. 100
B. 150
C. 125
D. 225
【单选题】
某木材堆场发生火灾，燃烧面积约2000m2，其设计消防用水量为45L/S，若灭火用水供给强度0.2L/S.m2，则火场实际用水量为___L/s。
A. 45
B. 400
C. 355
D. 455
【单选题】
设置在走道和大厅等公共场所内的扬声器，其数量应能保证从一个防火分区内的任何部位到最近一个扬声器的距离不大于___m。
【单选题】
某消防车利用双干线并联供带架水枪，每条干线的长度为5条Φ80mm胶里水带，带架水枪流量为10L/s，该水带并联系统的压力损失为___104PA。（水带的阻抗系数为0.015）
A. 14.875
B. 4.378
C. 8.5
D. 1.875
【单选题】
当建筑C度＞50kg/m2时，使用Ф19mm水枪（有效射程为15m）灭火，每支水枪的控制面积可按___m2估算。
【单选题】
在消防车的最大供水高度计算时，沿楼梯铺设水带时，登高水带长度为实际供水高度的___倍。
A. 1.2
B. 1.5
C. 1.8
D. 2.0
【单选题】
某单层木材仓库着火，燃烧面积约240m2，火场上每辆消防车供应2支Φ19mm水枪，有效射程为15m（水枪流量为6.5L/s），灭火用水供给强度为0.2L/s•m2，则需要___辆火场供水战斗车。
【单选题】
CP10型泡沫消防车，其最大泡沫供给量为200L/s，如泡沫灭火供给强度为1L/s•m2，则该泡沫消防车控制火势面积为___m2。
A. 100
B. 150
C. 180
D. 200
【单选题】
一球型液化石油气储罐发生火灾，储罐表面积为400m2，冷却水供给强度为0.2L/s•m2，冷却10分钟,需要___升水。
A. 36000
B. 48000
C. 52000
D. 55000
推荐试题
【单选题】
Of the following universities, has NOT cultivated any American President yet.
A. A. Harvard University
B. B. Massachusetts Institute of Technology
C. C. Princeton University
D. D. Yale University
【单选题】
To get a bachelor’s degree, all undergraduate students are required to do the following except .
A. A. attending lectures and completing assignments
B. B. passing examinations
C. C. working for communities
D. D. earning a certain number of credits
【单选题】
Of the following, is NOT the responsibility of the board of trustees in U. S. institutions.
A. A. choosing the president
B. B. establishing policies for administrators and faculty
C. C. approving budget and other financial project
D. D. decide which student to enroll
【单选题】
Of the following, are NOT among the categories of American higher education.
A. A. universities and colleges
B. B. research institutions
C. C. technical institutions
D. D. community colleges
【单选题】
Higher education in the United States began with the founding of
A. A. Yale University
B. B. Harvard University
C. C. Princeton University
D. D. New York University
【单选题】
Of the following subjects, are NOT offered to elementary school students.
A. A. mathematics and languages
B. B. politics and business education
C. C. science and social studies
D. D. music and physical education
【单选题】
Formal education in the United States consists of , secondary and higher education.
A. A. kindergarten
B. B. public
C. C. elementary
D. D. private
【单选题】
At present, U. S. exports account for of the world’s total.
A. A. 10%
B. B. 15%
C. C. 20%
D. D. 25%
【单选题】
is not one of the three giants in American automobile industry.
A. A. Ford
B. B. General Motors
C. C. Chrysler
D. D. American Motors
【单选题】
The following statements are all true except .
A. A. Agribusinesses reflect the big, corporate nature of many farm enterprises.
B. B. Agribusinesses maintain a balanced trade pattern between agricultural imports and exports.
C. C. Agribusinesses range from one-family corporations to multinational firms.
D. D. Agribusinesses include a variety of farm businesses and structures.
【单选题】
About of American crops are for export.
A. A. half
B. B. one third
C. C. one fourth
D. D. one fifth
【单选题】
President Johnson tried to build a “Great Society” by introducing various programs like the following except .
A. A. Medicare
B. B. Food Stamps
C. C. Education Initiatives
D. D. Unemployment Pension
【单选题】
The following inventions took place during the “second indThe following inventions took place during the “second industrial revolution” except .
A. A. typewriter
B. B. telephone
C. C. electric light
D. D. refrigerator
【单选题】
The first National Bank of the United States was established with the urge of .
A. A. George Washington
B. B. Thomas Jefferson
C. C. Andrew Jackson
D. D. Alexander Hamilton
【单选题】
Chartered companies were NOT granted the by the British King or Queen.
A. A. political authority
B. B. economic rights
C. C. judicial authority
D. D. diplomatic authority
【单选题】
The modern American economy progressed from to , and eventually, to .
A. A. colonial economy, handcraft economy, industrial economy
B. B. farming economy, handcraft economy, industrial economy
C. C. colonial economy, farming economy, industrial economy
D. D. handcraft economy, farming economy, industrial economy
【单选题】
America produces a major portion of the world’s products in the following fields except .
A. A. machinery
B. B. automobiles
C. C. ore
D. D. chemicals
【单选题】
The President is directly voted into office by .
A. A. all citizens of America
B. B. the citizens over 18 years old
C. C. electors elected by the voters
D. D. the senators and representatives
【单选题】
The Supreme Court is composed of justices.
A. A. six
B. B. seven
C. C. eight
D. D. nine
【单选题】
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
【单选题】
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
【单选题】
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
【单选题】
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
【单选题】
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
【单选题】
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
【单选题】
The U. S. Constitution came into effect in .
A. A. 1787
B. B. 1789
C. C. 1791
D. D. 1793
【单选题】
The Vietnam War was a long-time suffering for Americans, and it continued throughout the terms of Presidents .
A. A. Johnson, Nixon and Ford
B. B. Truman, Eisenhower and Kennedy
C. C. Kennedy, Johnson and Nixon
D. D. Eisenhower, Kennedy and Johnson
【单选题】
President applied New Deal to deal with the problems of the Great Depression.
A. A. Wilson
B. B. Truman
C. C. Roosevelt
D. D. Kennedy
【单选题】
The policy of the United States was at the beginning of the two world wars.
A. A. neutrality
B. B. full involvement
C. C. partial involvement
D. D. appeasement
【单选题】
Abraham Lincoln issued to grant freedom to all slaves.
A. A. Declaration of Independence
B. B. Constitution
C. C. Emancipation Proclamation
D. D. Bill of Rights
【单选题】
In May 1775, was held in Philadelphia and began to assume the functions of a national government.
A. A. the First Continental Congress
B. B. the Second Continental Congress
C. C. the Boston Tea Party
D. D. the Congress of Confederation
【单选题】
The first shots of the American dependence were fired in .
A. A. Concord
B. B. Lexington
C. C. Philadelphia
D. D. Boston
【单选题】
“No taxation without representation” was the rallying slogan of .
A. A. the settlers of Virginia
B. B. the people of Pennsylvania
C. C. the colonists in New England
D. D. the people of the 13 colonies
【单选题】
The Seven Years’ War occurred between the .
A. A. French and American Indians
B. B. French and Spaniards
C. C. French and British
D. D. British and American Indians
【单选题】
Pilgrim Fathers are a group of who came to America to avoid persecution in England.
A. A. Protestants
B. B. Puritans
C. C. Catholics
D. D. Christians
【单选题】
The first successful English colony in North America was founded at in .
A. A. Jamestown, Louisiana
B. B. Boston, Massachusetts
C. C. Jamestown, Virginia
D. D. Plymouth, Georgia
【单选题】
The characteristic of dominant American culture is .
A. A. English-speaking, northern European, Roman Catholic and middle-class
B. B. English-speaking, western European, Roman Catholic and upper-class
C. C. English-speaking, northern European, Protestant and upper-class
D. D. English-speaking, western European, Protestant and middle-class
【单选题】
The ImmiWar of Ingrants Act of 1924 restricted the further immigration into the United States, particularly from .
A. A. Europe
B. B. Asia
C. C. Africa
D. D. South America
【单选题】
The largest minority in the United States is the .
A. A. Pacific Islanders
B. B. Blacks
C. C. Native Americans
D. D. Asians
