【填空题】
客车出库质量标准规定:轮轴各部不得有裂纹,轮毂无___现象,并符合规定限度。
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【填空题】
客车出库质量标准规定:高度调整阀及调整杆无裂损变形,风管无腐蚀损坏,调整杆锁定,螺栓紧固,护套完好,关节部位转动灵活,调整杆上翘不超过___。
【填空题】
空调客车车厢内应配置消防锤,并标注"___"标识。
【填空题】
客车车厢内须按规定配置灭火器,灭火器按产品规定期限进行定期检查并涂打___标记。
【填空题】
"KLW"的全称旅客列车尾部安全防护装置,由天馈线和___构成。
【填空题】
客车列尾装置的KLW一次排风电磁阀开启时间为___秒,辅助排风制动应触发列车紧急制动。
【填空题】
摇枕挡磨耗板脱落在运用客车质量鉴定属于___类故障。
【填空题】
提速客车上旁承磨下旁承座,螺栓松动超过2条在运用客车质量鉴定属于___类故障。
【填空题】
车辆零件的损伤主要有磨损、___、裂纹折损、变形和配合件松弛等五种。
【填空题】
在无客列检、库列检作业的折返站,由车辆乘务员按___对旅客列车的技术作业范围进行作业。
【填空题】
库检应对外属列车的车钩及缓冲装置、制动装置、___装置进行全面检查,及时消除故障。
【填空题】
对于需要报废的客车,由___[车在工厂时由工厂、事故车由事故发生地铁路局]组织鉴定。
【填空题】
客车中、侧梁垂直弯曲超过___mm或横向弯曲超过100mm,可申请报废。
【填空题】
运用客车同一转向架左右旁承游隙之和是___mm。
【填空题】
普通客车轴箱顶部与构架间隙运用限度为不小于___mm。
【填空题】
25G型客车落成交验要求同一轴箱两圆弹簧高度差不得大于___mm。
【填空题】
25G型客车落成交验要求钩提杆与钩提杆座凹槽的间隙不大于___mm。
【填空题】
皮碗活塞式单元制动缸有SYSZ[PDZ]系列型和___系列型。
【填空题】
当闸片与制动盘正常间隙制动时, SP2型膜板式单元制动缸活塞行程为" A"值___mm。
【填空题】
转向架所受的外力包括:垂直静载荷、垂直动载荷、车体侧向力引起的附加垂直载荷、侧向力所引起的___、制动时所引起的纵向载荷。
【填空题】
轮对横向力与该车轮垂直载荷的比值称为脱轨系数,最危险状态下的脱轨系数不得大于___。
【填空题】
SW-220K转向架的构架为钢板焊接结构,平面呈___形。
【填空题】
SW-220K转向架的构架侧梁的中部为凹形,横梁的内腔与空气弹簧支撑梁的内腔组成空气弹簧的___。
【填空题】
SW-220K转向架的___位轴端装有接地装置。
【填空题】
CW-200K转向架的构架侧梁为中间下凹的鱼腹形,由4块钢板组焊成___封闭结构。
【填空题】
CW-200K型转向架主要由构架组成、轴箱定位装置、___、盘形制动装置等组成。
【填空题】
CW-200K型转向架轴箱定位节点组成包括轴箱定位转轴,定位套,是轮对轴箱与构架联系的纽带,它决定轮对轴箱对于___ 定位的刚度并承受两者交变的纵向和横向力。
【填空题】
CW-200K型转向架中央悬挂装置中的横向减振器分别连在中央牵引座和构架上的减振器座上,共设___个。
【填空题】
SYS640型自密式空气弹簧的空气弹簧由上盖板、空气胶囊、底座橡胶垫和___组成。
【填空题】
AM-96型转向架的轴箱定位转臂将轴箱和构架连接起来,通过弹性定位套和构架上定位臂形成轮对轴箱纵、横方向的弹性定位,传递侧向力和___力到车轴上。
【填空题】
在AM-96型转向架牵引装置中,当车体与转向架间的横向自由运动超过20 mm时,中心销将与中部构架上的左右___接触,并压缩它。
【填空题】
AM-96型转向架的二系悬挂系统位于车体至___之间。
【填空题】
AM96型转向架的轴承采用___装配。
【填空题】
AM-96型转向架的抗蛇行减振器一端安装在转向架构架侧梁的外侧,另一端安装在车体底架上的___安装座上。
【填空题】
位于AM-96型转向架构架上的两个横向弹性止挡限制车体的___振动。
【填空题】
减振器的作用是减小振动,它的作用力总是与运动方向___,起着阻止振动的作用。
【填空题】
油压减振器的示功图要求图象的拉伸和压缩的不对称率不大于___。
【填空题】
在运行中如果同一辆车发生两个或两个以上防滑器防滑排风阀大排风时,应将该车作___处理。
【填空题】
104型集成式电空制动机发生缓解不良或不缓解的主要原因是___故障。
【填空题】
转向架弹簧托梁的常见故障有___、腐蚀和弯曲变形等。
【填空题】
客列检发现客车轴箱的表面温度超过外温___时,应做开盖检查。
推荐试题
【单选题】
10)Which of the following descriptions about the control of body function is wrong?___
A. Homeostasis is kept by feedback control.
B. Negative feedback minimizes the changes, leading to stability.
C. Positive feedback is not useful.
D. Feed-forward makes human body foresee and adapt itself to the environment promptly.
【单选题】
(1)Which of the following parts of knowledge of drugs should be included in pharmacology?___
A. The effects of drugs on man
B. The correlation of biological activity with chemical structure
C. The history, source, physical and chemical properties, compounding, biochemical and physiologicaleffects, mechanisms of action, absorption, distrilbution, biotransformation and excretion.
D. The prevention, recognition, and treatment of drug poisonings
【单选题】
(2)Which of the following is what a clinician is primarily interested in according to the text?___
A. Drugs which can be reasonably limited to those aspects that provide the basis for their rational clinical use
B. Chemical agents that are not used in therapy but are commonly responsible for household and industrial poisoning as well as environmental pollution
C. Drugs which are useful in the prevention,diagnosis and treatment of human disease,or in the prevention of pregnancy.
D. rugs which are useful in the prevention, diagnosis and treatment of human disease, or in the prevention of pregnancy.
【单选题】
(3)Why was the physician not interested in pharmacognosy?___
A. He didn't have to select the proper plants for his prescription
B. He had a broad botanical knowledge
C. Fewer drugs were obtained from natural sources
D. Natural drugs had little difference with synthetic ones
【单选题】
(4)Which of the following is the best way of studying pharmacology for medical students and practitioners?___
A. to have a broad botanical knowledge
B. to select a plant and its preparation
C. to have the ability to purify natural plants
D. to have curiosity that stimulates them to learn about sources of drugs
【单选题】
(5)What are the tasks related to medicines almost complete!y delegated to the pharmacists now?___
A. the physical and chemical properties of medicines
B. the preparing, compounding, and dispensing of medicines
C. dosage forms of medicines available
D. the therapeutic and other uses of medicines
【单选题】
(6) What is a main unique aspect of pharmacodynamics?___
A. Pharmacodynamics is an experimental medical science
B. Pharmacodynamics is focused on the characteristics of drugs
C. Pharmacodynamics borrows freely from both the subject matter and the experimenta techniques of physiology, biochemistry, microbiology, genetics and pathology
D. Pharmacodynamics correlates the entire field of preclinical medicine
【单选题】
7) What time of history does pharmacodynamics date back to?___
A. the second half of the seventeenth century
B. the second half of the eighteenth century
C. the second half of the nineteenth century
D. the second half of the twentieth century
【单选题】
8)What does the research on pharmacodynamics focus on?___
A. study of clinical effect of drugs
B. study of the process of drugs in the body
C. study of the effect and the mechanism of drugs on the body
D. study of the correlation of the actions and effects of drugs with their chemical structure
【单选题】
(9)Which of the following is true when drugs are selected?___
A. It has to be based in part on legal reasons.
B. It has to be based in part on ethical reasons.
C. It has to be based in part on the pharmacological evaluation in man
D. It has to be based in part on the pharmacological evaluation in animals
【单选题】
(10)Why are chemotherapeutic agents useful in therapy?___
A. They stimulate or depress biochemical or physiological function in man in a sufficiently reproducible manner to provide relief of symptoms or, ideally, to alter favorably the course of disease
B. They can produce desired effects with only tolerable undesired effects
C. They have only minimal effects on man but can destroy or eliminate parasites
D. The selectivity of their effects is one of their most important characteristics
【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