【单选题】
中高压水软管卷盘,主要与消防车配套使用,具有的特点___。
A. 效果好、出水快、使用方便
B. 效果好、出水快
C. 耐压高、出水快、使用方便
D. 耐压高、出水快
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相关试题
【单选题】
用于消防工作的泵统称消防泵,消防泵是___液体灭火剂(或冷却水)的动力装置。
A. 输送、喷射
B. 产生、喷射
C. 输送、吸入
D. 产生、吸入
【单选题】
消防泵中的低压泵额定工作压力不大于___。
A. 1.2MPA
B. 1.35MPA
C. 1.3MPA
D. 1.4MPA
【单选题】
消防泵中的中压泵额定工作压力在___之间。
A. 1.4—2.5MPA
B. 1.3—2.6MPA
C. 1.2—2.4MPA
D. 1.1—2.3MPA
【单选题】
消防泵中的高压泵额定工作压力不小于___。
A. 3.4MPA
B. 3.5MPA
C. 3.6MPA
D. 3.7MPA
【单选题】
离心泵工作的必要条件是___。
A. 事先要给泵加压
B. 保持泵内真空
C. 保持泵内有水
D. 事先要给泵灌水
【单选题】
用于抽吸离心泵及其吸水管中___,使其形成一定真空度,把水源的水引入泵内的泵,称消防引水泵(简称引水泵或真空泵)。
【单选题】
生产经营单位应对从业人员进行劳动防护用品相关知识的教育培训,使从业人员做到“三会”。“三会”是指___。
A. 会检查劳动防护用品的可靠性,会正确使用劳动防护用品,会正确维修劳动防护用品
B. 会正确购买劳动防护用品,会正确使用劳动防护用品,会正确维护保养劳动防护用品
C. 会检查劳动防护用品的可靠性,会正确使用劳动防护用品,会正确维护保养劳动防护用品
D. 会正确辨识劳动防护用品真伪,会正确使用劳动防护用品,会正确维护保养劳动防护用品
【单选题】
手抬机动消防泵在开机前和关机时,将油门开关调到最小,慢速转动___分钟。
A. 2-3
B. 2.5-3.5
C. 2-4
D. 3-4
【单选题】
潜水泵在救援现场的用途是___。
A. 取水或排除积水
B. 取水
C. 排除积水
D. 取积水
【单选题】
不得用潜水泵吸___液体。
A. 化学性
B. 含油性
C. 腐蚀性
D. 易燃性
【单选题】
根据水的深度,调整好潜水泵的高度并固定好,吸污水时应加上___。
A. 固定绳
B. 滤水篮
C. 电线
D. 吸水口
【单选题】
浮艇泵是利用机座的浮力,使安装在机座上的___漂浮在水面上,由发动机带动进行供水。
A. 自吸式水泵
B. 非自吸式水泵
C. 强吸式水泵
D. 机动式水泵
【单选题】
消防车是消防队伍的重要装备,也是衡量一个国家___的重要标志之一。
A. 灭火实力
B. 消防实力
C. 经济实力
D. 军事实力
【单选题】
灭火消防车是指可喷射___并能独立扑救火灾的消防车。
【单选题】
甲、乙类生产___设在建筑物的地下室或在半地下室。
【单选题】
水罐消防车主要采用___汽车底盘改装而成。
A. 中型或重型
B. 中型
C. 重型
D. 轻型或中型
【单选题】
普通水罐消防车扬程流量可达到___左右。
A. 110m—130m,30—60/s
B. 100m—130m,30—75/s
C. 110m—140m,30—60/s
D. 110m—130m,40—60/s
【单选题】
中低压泵水罐消防车,低压___,中压扬程为2.0MP,流量20/s。
A. 扬程为1.2MPA,流量40/s
B. 扬程为1.0MPA,流量45/s
C. 扬程为1.1MPA,流量40/s
D. 扬程为1.0MPA,流量40/s
【单选题】
根据生产的火灾危险性分类,闪点为___度液体的生产属于甲类生产。
A. 小于28
B. 大于28,小于60
C. 大于或等于60
【单选题】
漏电探测仪频率低于___赫兹,可将接受到的信号转换成声光报警信号。
A. 120
B. 100
C. 80
D. 60
【单选题】
警戒标志杆规格为长800毫米圆柱金属管状,直径40毫米,表面涂___漆。
A. 红白反光
B. 反光
C. 红色
D. 白色
【单选题】
救援三角架的维护保养,表述正确的是___。
A. 救援三角架是起重设备,必须每半年由专门人员进行检查
B. 绞盘上的吊索在放开时需留有一至二圈,以确保吊索不滑落
C. 救援三角架应存放在干燥处,可以与酸、碱等腐性液体存放在一起
D. 每次使用前要检查吊索是否能正常的绕在铰轮上
【单选题】
救生绳按直径大小分___两种。
A. 自救绳和安全绳
B. 螺旋状和编织状
C. 合成纤维和麻和棉纤维
D. 螺旋状和麻和棉纤维
【单选题】
救生软梯是一种可以卷叠收藏在包装袋内的移动式梯子,主要在楼层、大型船舶等发生火灾或其他意外事故通道(楼梯)被封时,用以___。
A. 进攻灭火
B. 便于撤退
C. 疏散被困人员
D. 营救被困人员
【单选题】
救生照明线绳长30—100米,在温度超过250℃时,___分钟内可以保持完整性。
A. 6分钟
B. 5分钟
C. 4分钟
D. 3分钟
【单选题】
当环境中氧气含量低于___时不得使用手提式婴儿呼吸袋。
A. 15%
B. 16%
C. 17%
D. 18%
【单选题】
防酸碱清洗剂适用于所有化学物品灼伤的清洗,可在严禁使用水的环境中使用,距受害处___毫米进行喷射。
A. 300—500
B. 250—500
C. 300—450
D. 250—450
【单选题】
救生气垫适用___米以下的楼层下跳逃生。
A. 10米
B. 15米
C. 20米
D. 30米
【单选题】
下列关于救生气垫注意事项不正确的是___。
A. 不准2人同时使用,下跳时须对准气垫中心点
B. 气垫充气越足越好
C. 救助现场注意适用于规定高度的楼层,引导被困人员逃生
D. 人员下跳逃生时,地面人员要加强保护,帮助下跳人员迅速离开气垫
【单选题】
躯体固定气囊用于运送伤员,尤其是___受伤者。
A. 脊(颈)椎
B. 肢体
C. 头部
D. 骨骼
【单选题】
救生衣浮力___力。
A. 75千克
B. 77.9千克
C. 80千克
D. 85.9千克
【单选题】
自动呼吸复苏器由200巴的氧气瓶、手动气袋、___组成,并配有一个减压流量调程计(0—16升)。
A. 喉管插入器、供氧面罩和抽气器
B. 喉管插入器、鼻饲器和抽气器
C. 供氧面罩、鼻饲器和抽气器
D. 喉管插入器、供氧面罩、鼻饲器和抽气器
【单选题】
救生抛投器陆用型,可携带救援绳飞行()米(高度大于30米);水用型,可携带救援绳飞行___米。
A. 50—90,40—70
B. 60—90,40—70
C. 50—90,40—80
D. 60—90,40—80
【单选题】
在绝对真空、标准大气压作用下,消防泵引水装置的理论吸水高度最大为___米。
【单选题】
___适用于单人迅速密封油罐车、液柜车或储存罐的裂缝的堵漏器材。
A. 金属堵漏套管
B. 1.5巴泄漏密封枪
C. 内封式堵漏袋
D. 外封式堵漏袋
【单选题】
内封式堵漏袋当发生危险物质泄漏事故时,用于堵漏___反压的密封沟渠与排水管道。
A. 4(巴)
B. 3(巴)
C. 2(巴)
D. 1(巴)
【单选题】
外封式堵漏袋主要堵塞___直径的裂缝的管道、容器、油罐车或油槽车、桶与储罐泄漏。
A. 500毫米以上
B. 480毫米以上
C. 450毫米以上
D. 400毫米以上
【单选题】
捆绑式堵漏带主要密封___直径管道以及圆形容器的裂缝。
A. 100—480毫米
B. 50—480毫米
C. 0—500毫米
D. 100—500毫米
【单选题】
在化学或石油管道,阀门套管接头或管道系统连接处出现极少泄漏的情况下主要使用___堵漏。
A. 堵漏密封胶
B. 捆绑式堵漏带
C. 内封式堵漏袋
D. 外封式堵漏袋
【单选题】
S30型双级离心泵按泵的工作压力分类,属于___。
A. 低压消防泵
B. 中、低压消防泵
C. 高、低压消防泵
D. 超高压消防泵
推荐试题
【单选题】
1)H. Mario Geysen initially used parallel synthesis as a quick way to identify which small_____ of any given large protein bound to an antibody.___
A. division
B. pieces
C. part
D. fragment
【单选题】
2)Chemists often start a combinatorial synthesis by attaching the first set of building blocks_____ to microscopic beads made of polystyrene.___
A. solid
B. inert
C. soft
D. active
【单选题】
3)The chemical reactions required to link compounds to the beads and later to detach them____ to the synthesis proces.___
A. induce complications
B. make easy
C. introduce complications
D. introduce easy
【单选题】
4)In a parallel synthesis, all the products are_____ separately in their own reaction vessels.___
A. combined
B. assembled
C. joined
D. assorted
【单选题】
(5)In many laboratories today, robots assist with the routine work of parallel synthesis, such as small___ amounts of reactive molecules into the appropriate wells.___
A. sending
B. transporting
C. delivering
D. giving
【单选题】
(6)Scientists can pull out from the mixture the beads that bear biologically active molecules and then,using sensitive detection techniques,___ the molecular makeup of the compound attached.___
A. determine
B. make sure
C. find
D. search
【单选题】
(7)Most pharmaceutical companies today continue to___ parallel synthesis. Which of the following is not appropriate to be filled in the blank?___
A. count in
B. count on
C. depend on
D. rely on
【单选题】
(8)Once they identify a promising substance, they___ make many one-at-a-time modifications to the structure.___
A. laboriously
B. hardly
C. easy
D. effectively
【单选题】
(9)Often these procedures yield a compound having acceptable___ and safety.___
A. strength
B. effect
C. potency
D. effort
【单选题】
10)In many laboratories today, robots___ the routine work of parallel synthesis.___
A. help
B. assist with
C. assist in
D. assist to
【单选题】
(1)Pharmaceutics is an interdisciplinary subject involving___
A. formulation, manufacturing, physical pharmacy, and biopharmaceutics
B. manufacturing
C. physical pharmacy
D. biopharmaceutics
【单选题】
(2)Formulation is about the design, development and evaluation of dosage forms,___
A. discovery of novel drugs
B. analytical methods
C. drug delivery systems and manufacturing process
D. dosing regimen
【单选题】
(3)Biopharmaceutics mainly studies the in vivo process of drugs and metabolites in humans, animals and tissue culture, which specifically involves___
A. absorption and distribution
B. absorption, distribution, metabolism, and excretion
C. metabolism and excretion
D. absorption and excretion
【单选题】
(4)Regarding the definition of bioavailability(BA), BA is related to___
A. total plasma drug concentration only
B. unbound drug concentration in the plasma
C. unbound drug concentration at the target site
D. total plasma drug concentration, and the administered drug dose
【单选题】
(5)Plasma drug concentration is affected by following factors such as___
A. rate of absorption
B. rate and extent of distribution
C. rate ofeli Imination
D. all ofabove
【单选题】
6)Which of the following routes of administration will involve the absorption of drugs?___
A. i.v.injection
B. i.v.infusion
C. Subcutaneous injection, transdermal and oral
D. None of above
【单选题】
(7)Which of the following factors may influence the time course of a drug in the plasma and hence at its site of action?___
A. Food
B. Disease state
C. Route of administration
D. All of above
【单选题】
(8)Please identify the potential biological barriers for an orally administered tablet to be absorbed into the systemic circulation___
A. Sk d dermis
B. Gastrointestinal epithelium
C. Oral mucosal membrane
D. All of above
【单选题】
(9) Given the same administration dose, which of the following will likely result in varying bioavailabilities for the same drug administered to the same person? ___
A. tablets (p.o. )vs. solutions(p0.)
B. solutions for injection(i v )vs oral solutions(p0.)
C. coated tablets (p.0. )vs hard gelatin capsules(p0.)
D. All ofabove
【单选题】
(10)Which of the following statements is true?___
A. Bioavailability is only related to the administered dose and the total drug concentration in the blood circulation.
B. Plasma protein binding does not affect the bioavailability of a specific drug.
C. A given drug in different dosage forms may show differences in bioavailability if given by the same route.
D. Biopharmaceutical studies do not involve animal experiment.
【判断题】
Much of our present physiological knowledge has been found from the experiments and studies on human beings.
【判断题】
Living cells break down glucose and fats to provide energy for other activities, which is called.
【判断题】
The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
【判断题】
The nervous system uses electrical signals to transmit information very rapidly to specific cells.
【判断题】
With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
【判断题】
A negative feedback loop is a control system that acts to maintain the level of some variables within a given range following a disturbance
【判断题】
(1)Pharmacodynamics, which is concerned with the study of the biochemical and physiological effects of drugs and their mechanisms of action, Is an experimental medical science.
【判断题】
2)It's unreasonable for a physician to be interested mainly in the effects of drugs on human beings, for the pharmacological evaluation of drugs in them may be limited due to technical, legal, and ethical reasons.
【判断题】
(3) As the effects of drugs are often characterized by significant interspecies variation and may be further modified by disease, clinical pharmacology has never been efibrasized.
【判断题】
The physician is not interested in drugs that are useful in the prevention,diagnosis,and treatment of human disease, but in chemical agents that are commonly responsible for household and industrial poisoning as well as environmental pollution.
【判断题】
(5)A drug is said to be useful in therapy if it has the ability to produce its desired effects with only tolerable undesired effects.
【判断题】
(6)Toxicology deals not only with drugs used in therapy but also with many other chemicals that may be responsible for household, environmental, or industrial intoxication.
【判断题】
1)With the more efficient screening tests and burgeoning knowledge about how a molecules biological activities are likely to be changed, the traditional approach of discovering new drugs has been improved.
【判断题】
2)With the parallel synthesis used to identify which small segment of any given large protein would bind to an antibody, Mario Geysen generated a variety of short protein fragments by combining multiple amino acids in different permutations.
【判断题】
)A parallel synthesis and a split-and-mix synthesis are different in that in a split-and-mix synthesis, all the products are assembled separately n their respective reaction vessels.
【判断题】
4) In many laboratories, robots are used in the routine work of parallel synthesis to deliver small amounts of reactive molecules into appropriate wells, thus making the process more accurate and less tedious.
【判断题】
5) In a parallel synthesis, each compound remains in its own container; while in a split-and-min synthesis, the related ce mpounds are mixed up in the same reaction vessel.
【判断题】
6)In order to solve the difficulties of identifying the compounds made in a parallel synthesis scientists pull out from the mixture the beads that bear biologically active molecules and determine the molecular makeup o d attached.
【判断题】
1)The concentration of a drug in whole plasma is the most accurate index of the drug concentration at the site(s) of action.
【判断题】
(2)It is difficult to measure the total concentration of both unbound and bound drug in total plasma.