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【单选题】
()是一种能释放过电压能量限制过电压幅值的保护设备。___
A. 熔断器
B. 避雷器
C. 电容器
D. 绝缘子
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答案
B
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【单选题】
配电设备保护接地电阻小于或等于( )欧姆。___
A. 4
B. 5
C. 6
D. 7
【单选题】
生产经营单位贯彻实施《中华人民共和国安全生产法》,落实生产经营单位的 ( )。___
A. 责任保障
B. 安全生产保障
C. 组织保障
D. 重点保障
【单选题】
我国安全生产方针是 ( ) 。___
A. 安全为了生产,生产必须安全
B. 安全第一、预防为主、综合治理
C. 安全生产人人有责
D. 预防为主、安全第一
【单选题】
从业人员在作业过程中,应当严格遵守安全生产规章制度和操作规程,服从管理,正确佩带和使用( )。___
A. 安全卫生设施
B. 劳动防护用品
C. 劳动工具
D. 生产车辆
【单选题】
在安全生产警示标志中表示禁止、停止的颜色是()。___
A. 红色
B. 黄色 c、蓝色 D、绿色
【单选题】
危险源辨识是对认识危险源的存在并确定其可能产生的。___
A. 风险后果
B. 根源或状态 c、大小 D、利益
【单选题】
危险源辨识是为了明确所有可能产生或诱发事故的不安全因素,辨识的首要目的是为了对危险源进行()。___
A. 事故后辨识
B. 预先控制 c、了解 D、消除
【单选题】
“可能造成人员受伤或疾病等伤害的根源、状态或行为、或它们的组合”是下列哪个名词的解释。___
A. 风险
B. 危险源 c、隐患 D、不安全行为
【单选题】
下列属于第二类危险源的是()。___
A. 行驶的车辆
B. 强烈放热反应的化工装置
C. 易燃易爆物质
D. 登高不系安全带
【多选题】
电力线路是指在系统两点间用于( )的导线、绝缘材料和附件组成的设施。___
A. 输电
B. 变电
C. 配电
D. 发电
【多选题】
加强电力生产现场管理,规范各类工作人员的行为,保证( )安全,依据国家有关法律、法规,结合电力生产的实际,制定本规程。___
A. 人身
B. 电网
C. 设备
D. 设施
【多选题】
电力线路第一种工作票,每张只能用于( )。___
A. 一条线路
B. 同一个电气连接部位的几条供电线路
C. 同时停送电的几条线路
D. 同(联)杆塔架设且同时停送电的几条线路
【多选题】
现场勘察应查看现场施工(检修)作业( )及其他危险点等。___
A. 需要停电的范围
B. 保留的带电部位
C. 作业现场的条件
D. 作业现场的环境
【多选题】
工作许可手续完成后,工作负责人、专责监护人应向工作班成员交待( )、进行危险点告知,并履行确认手续,装完工作接地线后,工作班方可开始工作。___
A. 现场安全措施
B. 工作内容
C. 人员分工
D. 带电部位
【多选题】
完工后,工作负责人(包括小组负责人)应检查线路检修地段的状况,确认在( )没有遗留的个人保安线、工具、材料等,查明全部作业人员确由杆塔上撤下后,再命令拆除工作地段所挂的接地线。___
A. 杆塔上
B. 导线上
C. 绝缘子串上
D. 其他辅助设备上
【多选题】
进行线路停电作业前,应断开危及线路停电作业,且不能采取相应安全措施的( )线路(包括用户线路)的断路器(开关)、隔离开关(刀闸)和熔断器。___
A. 分支
B. 交叉跨越
C. 平行
D. 同杆架设
【多选题】
在一经合闸即可送电到工作地点的断路器(开关)、隔离开关(刀闸)及跌落式熔断器的操作处,均应悬挂( )或( )的标示牌。___
A. “止步,高压危险!”
B. “禁止合闸,有人工作!”
C. “禁止攀登,高压危险!”
D. “禁止合闸,线路有人工作!”
【多选题】
在( )施工时,工作场所周围应装设遮栏(围栏),并在相应部位装设标示牌。___
A. 城区
B. 人口密集区地段
C. 交通道口
D. 通行道路上
【多选题】
电气设备操作后的位置检查应以设备实际位置为准,无法看到实际位置时,应通过间接方法,如( )各种遥测、遥信等信号的变化来判断。___
A. 设备机械指示位置
B. 电气指示
C. 带电显示装置
D. 仪表
【多选题】
在带电杆塔上进行( )清除杆塔上异物等工作,作业人员活动范围及其所携带的工具、材料等,与带电导线最小距离不得小于表3的规定。___
A. 测量
B. 防腐
C. 巡视检查
D. 紧杆塔螺栓
【多选题】
在330kV及以上电压等级的线路杆塔上及变电站构架上作业,应采取防静电感应措施,例如穿戴相应电压等级的全套屏蔽服,包括( )鞋等,或静电感应防护服和导电鞋等。___
A. 帽
B. 上衣
C. 裤子
D. 手套
【多选题】
攀登杆塔作业前,应先检查( )是否牢固。新立杆塔在杆基未完全牢固或做好临时拉线前,禁止攀登。___
A. 根部
B. 基础
C. 接地装置
D. 拉线
【多选题】
调整杆塔( )转向时,应根据需要设置临时拉线及其调节范围,并应有专人统一指挥。___
A. 倾斜
B. 弯曲
C. 拉线受力不均
D. 迈步
【多选题】
高空作业车(包括绝缘型高空作业车、车载垂直升降机)应按GB/T9465的规定进行( )。___
A. 试验
B. 维护
C. 保养
D. 驾驶
【多选题】
起吊、牵引过程中,( )吊臂和起吊物的下面,禁止有人逗留和通过。___
A. 受力钢丝绳的周围
B. 上下方
C. 转向车外角侧
D. 转向滑车内角侧
【多选题】
高架绝缘斗臂车操作人员应服从工作负责人的指挥,作业时应注意( )及( )。___
A. 周围环境
B. 液压油量
C. 支腿情况
D. 操作速度
【多选题】
带电作业工具在运输过程中,带电绝缘工具应装在( )内,以防受潮和损伤。___
A. 专用工具袋
B. 专用工具箱
C. 专用工具车
D. 一般工程车
【多选题】
带电作业工具应( ),并建立试验、检修、使用记录。___
A. 统一编号
B. 专人保管
C. 登记造册
D. 随车保存
【多选题】
钢丝绳出现下列哪些情况之一者应予报废。___
A. 钢丝绳在一个节距中有表17所示的断丝根数者
B. 钢丝绳的钢丝磨损或腐蚀达到钢丝绳实际直径比其公称直径减少7%或更多者,或钢丝绳受过严重退火或局部电弧烧伤者
C. 绳芯损坏或绳股挤出;笼状畸形、严重扭结或弯折
D. 钢丝绳压扁变形及表面起毛刺严重者,或钢丝绳断丝数量不多,但断丝增加很快者
【多选题】
卷扬机作业前应进行检查和试车,确认卷扬机设置稳固,防护设施、( )、导向滑轮、索具等合格后方可使用。___
A. 电气绝缘
B. 离合器
C. 制动装置
D. 保险棘轮
【多选题】
挖掘出的电缆或接头盒,如下面需要挖空时,应采取( )等悬吊保护措施。___
A. 电缆悬吊应每1m~1.5m吊一道
B. 接头盒悬吊应平放,不准使接头盒受到拉力
C. 若电缆接头无保护盒,则应在该接头下垫上加宽加长木板,方可悬吊
D. 电缆悬吊时,不得用铁丝或钢丝等
【多选题】
使用携带型火炉或喷灯时,不准在___附近以及在电缆夹层、隧道、沟洞内对火炉或喷灯加油及点火。( )
A. 带电导线
B. 带电设备
C. 变压器、油断路器(开关)
D. 施工车辆
【多选题】
手持电动工器具如有( )、插头插座裂开或有损于安全的机械损伤等故障时,应立即进行修理,在未修复前,不准继续使用。___
A. 铭牌脱落
B. 绝缘损坏
C. 电源线护套破裂;
D. 保护线脱落
【多选题】
本规程所指动火作业,是指直接或间接产生明火的作业,包括熔化焊接、( )、打磨、锤击、破碎、切削等。___
A. 切割
B. 喷枪
C. 喷灯
D. 钻孔
【多选题】
绝缘手套应( ),长度应超衣袖。___
A. 干燥
B. 柔软
C. 接缝少
D. 紧密牢固
【多选题】
施工机具应定期进行( )。___
A. 检查
B. 保养
C. 维护
D. 修理
【多选题】
机具和安全工器具入库、出库、使用前应检查。禁止使用( )等不合格的机具和安全工器具。___
A. 损坏
B. 变形
C. 有故障
D. 无编号
【多选题】
安全工器具使用前,应检查确认( )等现象。对其绝缘部分的外观有疑问时应经绝缘试验合格后方可使用。___
A. 无绝缘层脱落、无严重伤痕等现象
B. 固定连接部分无松动、无锈蚀等现象
C. 绝缘部分无裂纹、无老化等现象
D. 固定连接部分无断裂等现象
【多选题】
安全帽使用前,应检查( )、下颏带等附件完好无损。___
A. 帽壳
B. 帽衬
C. 帽箍
D. 顶衬
【多选题】
绝缘手套应( ),长度应超衣袖。___
A. 湿润
B. 柔软
C. 接缝少
D. 紧密牢固
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.
A. 对
B. 错
【判断题】
Living cells break down glucose and fats to provide energy for other activities, which is called.
A. 对
B. 错
【判断题】
The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
A. 对
B. 错
【判断题】
The nervous system uses electrical signals to transmit information very rapidly to specific cells.
A. 对
B. 错
【判断题】
With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
A. 对
B. 错
【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
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【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.
A. 对
B. 错
【判断题】
(2)It is difficult to measure the total concentration of both unbound and bound drug in total plasma.
A. 对
B. 错
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