机电专业英语复习题及答案(可编辑修改word版)

机械英语试题及答案解析一、选择题（每题2分，共20分）1. What is the term for the process of removing material froma workpiece to create a part?A. MachiningB. WeldingC. CastingD. Forging答案：A2. Which of the following is a type of metal cutting operation?A. DrillingB. SolderingC. BrazingD. Annealing答案：A3. The term "CNC" stands for:A. Computer Numerical ControlB. Closed Network CircuitC. Centralized Network CommunicationD. Continuous Numerical Calculation答案：A4. What is the primary function of a lathe?A. To shape woodB. To cut threads on a workpieceC. To bend metal sheetsD. To forge metal答案：B5. In the context of manufacturing, what does "CAD" refer to?A. Computer Aided DesignB. Computer Aided DraftingC. Computer Aided DevelopmentD. Computer Aided Diagnosis答案：A6. Which of the following is a common material used in the production of machine parts?A. PlasticB. CeramicC. AlloyD. Glass答案：C7. The process of joining two pieces of metal by heating them to their melting point is known as:A. SolderingB. BrazingC. WeldingD. Gluing答案：C8. What is the role of a milling machine in the manufacturing process?A. To cut internal threadsB. To shape the surface of a workpieceC. To drill holesD. To create a smooth finish on a surface答案：B9. The term "tolerance" in mechanical engineering refers to:A. The maximum weight of a partB. The acceptable variation in size or shape of a partC. The minimum strength of a materialD. The standard size of a part答案：B10. What is the purpose of a jig in manufacturing?A. To hold workpieces in place during machiningB. To measure the dimensions of a partC. To cut threads on a workpieceD. To provide power to a machine tool答案：A二、填空题（每空1分，共10分）11. The process of shaping metal by applying pressure is known as _______.答案：Forging12. A _______ is a tool that holds a cutting tool and guides it through a specific path.答案：Cutter13. In machining, the term "feed rate" refers to the _______ of the tool relative to the workpiece.答案：Speed14. The _______ is a device that can be used to measure the internal diameter of a hole.答案：Micrometer15. The process of hardening a metal to increase its strength is called _______.答案：Quenching16. A _______ is a machine tool used for shaping a workpiece by removing material.答案：Milling Machine17. The _______ is the process of cutting a workpiece along a straight line.答案：Sawing18. The _______ is a type of machine tool used for cutting internal threads.答案：Tapping Machine19. The _______ is the process of heating and cooling a metalto alter its physical properties.答案：Heat Treatment20. A _______ is a device that holds a workpiece in place during machining.答案：Vise三、简答题（每题5分，共10分）21. Explain the difference between a milling machine and a lathe.答案：A milling machine is used for shaping the surfaceof a workpiece by removing material with a rotating multi-toothed cutter, whereas a lathe is used for shaping a workpiece by rotating it and cutting it with a stationary tool.22. What is the purpose of a jig in the manufacturing process?答案：A jig is a device used in manufacturing to hold a workpiece in a specific position while it is being machined, ensuring accuracy and repeatability in the production process.四、论述题（每题15分，共15分）23. Discuss the importance of precision in mechanical engineering and how it affects the performance of a machine.答案：Precision in mechanical engineering is crucial asit ensures that components fit together correctly andfunction as intended. Inaccurate parts can lead to poor performance, increased wear, and even failure of the machine. Precision is achieved through the use of。

F F1327C256 is a CMOS 256K bit EPROM. The device is organized as 32K words by 16 bits .T T63A disadvantage of connecting lamps in series is that if one lamp blows all of them will go out because the circuit is broken.T T43A lamp may be used to test a rectifier diode, but do not use a lamp to test a signal diode because the large current passed by the lamp will destroy the diode!T T21 A PIC is a Programmable Integrated Circuit microcontroller, a 'computer-on-a-chip'.F F101 A products made of interchangeable parts is slowly assembled, higher in cost.T T68 A relay is an electrically operated switch.T T100 A resistor placed in a circuit will resist the passage of electrical current through it.T T94 A thermistor is an input transducer (sensor) which converts temperature (heat) to resistance. T T99 A transformer consists of two coils (often called 'windings') linked by an iron core.T82A transistor may be used as a switch (either fully on with maximum current, or fully off with no current) and as an amplifier (always partly on).T4 A warning notice has to be set up on the equipment while repairing.F46All rectifier diodes are made from silicon and therefore have a forward voltage drop of 0.2V.T98An audio (AC) signal with a constant DC signal will make a large current flow through the Loudspeaker due to its low resistance, possibly damaging both the speaker and the driving circuit.F105Automatic control systems are a product of this generation.T6Be careful not to damage or scar the inner surface finish of the bottom sub.T133Before logging, inspect the cable drum assembly for apparent damage or cracked welds.T131Before starting engine ,we must check the batteray cables and terminals for corrosion or loose connection. F111Cams are the most versatile lathe.T34Capacitors are also used in filter circuits because capacitors easily pass AC (changing) signals but they block DC (constant) signals.T33Capacitors are used to smooth varying DC supplies by acting as a reservoir of charge.T32Capacitors store electric charge.T8Check the cable and wire for proper connections both before and after repair.F125Checking the engine oil level,we don't wipe dipstick clean ,we can get a good reading.F67Connecting several LEDs in parallel with just one resistor shared between them is generally a good idea.T69Current flowing through the coil of the relay creates a magnetic field which attracts a lever and changes the switch contacts.F28Current is measured with an voltmeter, connected in series.T27Current is the rate of flow of charge.T31Currents add up for components connected in parallel.T29Currents are the same through all components connected in series.T57Datasheets are available for most ICs giving detailed information about their ratings and functions. F39Diodes allow electricity to flow in two directions.T77Electrical energy is converted to heat when current flows through a resistor.F14EPROM can be read and writen.F112Form the fits point of view, a key is referred to as the hole and the keyway as the shaft.T44General purpose signal diodes such as the 1N4148 are made from silicon and have a forward voltage drop of 0.7V. T124Going downhole,screw the adjustable uphole torque control valve fully clockwiseF150Heat treatment can decrease material Hardness.T149Heat treatment can increase material Hardness.F103High carbon steel is softer than tempered steel, but it is much more easier to work.T128Hot exhaust system parts can cause serious bodily injury.F114Hot working is defined as plastic deformation below the recrystallization temperature.T121Hydraulic oil temperature is controlled by the thermostatic bypass valve and hydraulic system heat exchanger.T141Hydrostatic charge fluid pressure is measured by the CHARGE PRESSURE GAUGE.T88IC (chip) pin diagrams show the view from above.T54ICs (chips) are easily damaged by heat when soldering ,so we usually use an IC holder(socket).T135If any fuel leaking are found above exhaust system, shut down engine immediately and repair.F118If hoist parking brake control knob is pushed,the brake bands located on each side of the hoist drum tighten and hold the drum.T126If the engine oil level has reached between the high and low mark,the engine oil level is normal.F110If the follower lose contact with the cam, it will natural work.T134If there is no engine oil pressure or low engine oil pressure, stop the engine immediately.T55If you need to remove an IC it can be gently prised out of the holder(socket) with a small flat-blade screwdriver.T85In addition to standard (bipolar junction) transistors, there are field-effect transistors which are usually referred to as FETs.T130Inspect the engine radiator , insure that core is clean and free of debris.T129Inspect the engine radiator cap, verify that the seals and spring are good.T5Install the retaining ring in the bottom sub using the modified pliers.T52Integrated Circuits are complex circuits which have been etched onto tiny chips of semiconductor (silicon). T51Integrated Circuits are usually called ICs or chips.T36It is easy to find the value of electrolytic capacitors because they are clearly printed with their capacitance and voltage rating.T9It is forbidden that using a high-volt insulation tester to measure circuit insulation T113It is important that the product be designed with material.F24It is impossible to have voltage without current, current cannot flow without voltage.F75kF61Lamps can not be connected either way round in a circuit.T59Lamps emit light when an electric current passes through them.T64LEDs means Light Emitting DiodesF65LEDs need not a resistor in series to limit the current to a safe value for testing it.T58Logic ICs process digital signals and there are many devices, including logic gates, flip-flops, shift registers, counters and display drivers.T97Loudspeakers are output transducers which convert an electrical signal to sound. T115Machine parts are maunfactured so they are interchangeable.T102Materials differ widely in physical properties,machinability characteristics,methods of Forming,and possibe service life.T80Multi-way switches have 3 or more conducting positions.T17Normally,the TTL IC use the 5Vdc power supply.T79ON-OFF SPST switch means Single Pole, Single ThrowT15Operational amplifier can be used as a part of an active filter.F96Piezo transducers are output transducers which convert an electrical signal to heat.F87Please note that transistor lead diagrams show the view from top with the leads towards you.T123Pre-start checks,make sure the drum brake is on and both hoist control lever are in the neutral position. T41Rectifier diodes are quite robust and no special precautions are needed for soldering them.T45Rectifier diodes are used in power supplies to convert alternating current (AC) to direct current (DC), a process called rectification.F71Relays and transistors compared ,relays can only switch DC, transistors can switch AC and DC. F127Remove the engine radiator cap when engine is running.T76Resistors in Parallel will get a smaller value.T73Resistors may be connected either way round. They are not damaged by heat when soldering.F72Resistors restrict the flow of electric voltage.T11Rig safety can be improved by using MWD measurements in real time to avoid potentially dangerous well control problems.F62Several lamps can be successfully connected in parallel provided they all have identical voltage and power (or current) ratings.T104Smooth flat belts and V belts depend on friction on the pulleys and some slippage is inherent in their operation.T12Sperry-Sun’s FEWD measurements can be used in horizontal wells to steer a well for maximum formation exposure in the productive part of the reservoir.T56Static sensitive ICs will be supplied in antistatic packaging with a warning label.F78Switch contacts are rated with a maximum voltage and current, and there should be same ratings for AC and DC. F106The all material may have higher strength.T83The amount of current amplification of a transistor is called the current gain, symbol h FE.T47The bridge rectifier have four leads or terminals: the two DC outputs are labelled + and -, the two AC inputs are labelled "～".F22The CMOS circuitry used in the 74HC series ICs means that they are static sensitive. Touching a pin while charged with static electricity is always safe.T66The colour of an LED is determined by the semiconductor material, not by the colouring of the 'package' (the plastic body).F132The drum bearing don't need to be greased separately T109The element must be kept stiff and rigid.T122The engine must be shut down immediately if the water temperature gauge registers higher than normal coolant temperatures.T140The ENGINE STOP CONTROL is used to stop the flow of diesel fuel to the engine.T139The ENGINE THROTTLE CONTROL increases and decreases the speed of the diesel engine.T137The FREQUENCY METER measures the frequency of the diesel generator.T90The heat sink of power transistor helps to dissipate (remove) the heat by transferring it to the surrounding air. F117The hoist control lever have two positions,uphole and downhole.F1The hoist in the worker-house can be used by everyone to move the logging tools.F20The Input Impedance of FET transistor is very low.T18The Intel 87C51 is a single-chip control-oriented microcontroller which is fabricated on Intel's reliable CHMOS EPROM technology.F143The machine for manufacture charge holder tube is CNC lathe.T144The machine for manufacture charge holder tube is laser cutter machining.T148The material Hardness commonly denotes "Rockwell hardness " or "Brinell hardness".T146The material mechanical properties of perforating gun include: Tensile Strength,Yield Strength,Elongation,Reduction of Area,Hardness etc.F147The material mechanical properties of perforating gun only include Tensile Strength.T142The material of charge holder tube is welder tubing.F19The negtive pulse makes the resistance between pin D and pin S of N-Channel MOSFET very low. F3The O-Ring oil can be replaced by thread compound.F138The output voltage of diesel generator is normally 120V DC.T145The perforating gun can match charges including deep perforate, super deep, big hole, super big hole and low debris or no debris types.F53The pins of ICs are numbered clockwise around the IC (chip) starting near the notch or dot.T119The speed range control switch has no effect over the back-up hoist control.T136The SPEED RANGE CONTROL SWITCH is used as a course speed adjustment by the operator.F108The surface and the pitch circle and the bottom of the tooth.T60The voltage and power (or current) ratings are usually printed or embossed on the body of a lamp.T35There are many types of capacitor but they can be split into two groups, polarised and unpolarised F84There are two types of all transistors, NPN and PNP.T95Thermistors with a negative temperature coefficient (NTC) means their resistance decreases as their temperature increases.T16These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.T10Thread protectors should always be installed when transporting instrument to aid in securing or handling tool. T70Transistors and ICs must be protected from the brief high voltage produced when a relay coil is switched off.F81Transistors are used to amplify current only.F89Transistors can not be damaged by heat when solderingF86Transistors have three leads which be connected no matter the way round.F37Unpolarised capacitors are small value and must be connected correct way round.T38Variable capacitors are mostly used in radio tuning circuits and they are sometimes called 'tuning capacitors'. T93Variable resistors are often called potentiometers in books and catalogues.T92Variable resistors consist of a resistance track with connections at both ends and a wiper which moves along the track as you turn the spindle.T23Voltage and Current are vital to understanding electronics, but they are quite hard to grasp because we can't see them directly.F25Voltage is measured with a voltmeter, connected in series.F30Voltages are the same across all components connected in series.T107We can alter the characteristics of steel in various ways.T116We can alter the characteristics of steel in various ways.F120we increase engine throttle control,the injectors will be delived little amount of fuel.T7We must apply Lubriplate to the threads of the pressure housingF40When a reverse voltage is applied a perfect diode does not conduct, no diodes leak current .F2When we make the insulate check,either megger or multimeter can be used.T T91You can use a multimeter or a simple tester (battery, resistor and LED) to check the transistorF F42You can use a multimeter or a simple tester (battery, resistor and LED) to check that a diode conducts in two directions.F F74You may have noticed that resistors are available with every possible value.T T49Zener diodes are designed to 'breakdown' in a reliable and non-destructive way so that they can be used in reverse to maintain a fixed voltage across their terminals.T T48Zener diodes are used to maintain a fixed voltage.F F50Zener diodes can not be distinguished from ordinary diodes easily .T T26Zero volts could be any point in the circuit, but to be consistent it is normally the negative terminal of the battery or power supply.判断题答案序号中中难难易中中中中中难难易中难易中难中中易中易易易易易易中中中中易难易易中易易中易易难中中中易难难难易易中易中易中中难中易易易易易中中易易难中中中易中难易中中难易易难易中易难中中易易难中易中难难易中难难易程度。

机电专业英语期末复习试题一．选择题1. If all points in a linkage move in parallel planes the system undergoes plan ar motion and the linkage may be described as a ______ .A。

planar motion B. planar linkage C. joints D. slide2. Though frame material and design should handle damping,_____ are sometimes built into frame sections to handle specific problems.A 。

beams B. holes C。

dampers D。

screw3. The maximum allowable deflection of a shaft ______ determined by critical sp eed, gear，or bearing requirements。

A。

often B. must C。

was D. is usually4. We will have to _____ to better and better solutions as we generate more information。

A. repeat many times B。

iterating C。

iterate D。

try ways5。

If a product configuration is _______ specified and then examined to determ ine whether the performance requirements are met。

A。

finally B. tentatively C。

《机电专业英语》考试试题一、英汉单词互译（1’×10=10分）1．mechanical 2.electronic3.transformer4.sensor5.stepper motorC7.direct-current 8.manufacture9.电动机10.电流二、选择题（2’×20=40分）1.He said ,“These books are not mine.”He said that ________________ books were not ________________.A. these, yoursB. those, hisC. those, his booksD. these ,his one2. I shall be ________________ to go and see him tomorrow.A. ableB. necessaryC. kindD. friendly3. “I am listening to music now.”said Tom.Tom said that he ________________ to music ________________.A. is listening, nowB. was listening, thenC. was listening, at this timeD. listen to, for a while4. Child ________________ reading stories about animals.A. isB. wantsC. enjoyD. usually5. Would you mind ________________ the window.A. my openB. me to openC. my openingD. mind open6. The house is not as clean as usual. It needs ________________.A. to cleanB. cleaningC. cleanedD. clean7. She left without ________________ good-bye.A. saysB. sayingC. to sayD. said 8.The teacher asked her pupils ________________ making any noise in class.A. stopB. not toC. stoppingD. to stop9. I’d like to take part in activities like ____________ and ____________ at the camp .A. painting, boatingB. paint, boatC. paints, boatsD. to paint, to boat10. He kept _____________ of _____________ to camp.A. thought, wentB. think, goC. to think, goingD. thinking, going11.I was told that the small machine ________________ for ________________ shoes.A. is used, mendingB. was used ,mendingC. used ,mendedD. is using ,mending12.Here is a book for you ________________ .A. readingB. to seeC. to readD. seeing13.You must be hungry. I will get you something ______________.A. ateB. eatenC. eatingD. to eat14.There will be a high wall ________________ the city in the sea from wind and water.A. to protectB. for protectC. protectsD. to make15.The homework for Monday was ________________the text by heart.A. learntB. to learnC. studyD. to study16.The problem is ________________ the pupils from accidents after school.A. how can we protectB. that protectC. how to protectD. we how to protect17.Do you think a large city is a good place ________________ ?A. to liveB. liveC. to live inD. living18.It takes me three hours ________________.A. got thereB. to get thereC. to gotD. got to19. That will be the only thing _____________ now.A. to doB. didC. doingD. has done20.Kitty said,“I will try it again tomorrow.”Kitty said that she________________ try it again ________________.A. would, the next dayB. would ,tomorrowC. will tomorrowD. would, later三、选词并用其适当的形式填空（2’×10＝20分）Repair, crowded, stand, solve, breathe, is made of,thank…for, is full of, combine…with, work out1.Our school always _____________ some special activities the usual schoolclasses.2.They must _____________ a plan for the summer vacation.3.We can _____________ the problem in two days.4.It is good for us to ________________ some fresh air every morning.5.Andy came to ___________ Mr.Chong ___________ telling him how to make his housebigger.6.The bus is very ___________ at seven in the morning, so I have to go to school at six.7.I can’t ___________ the hot weather here .8.Be careful. The glass ___________ hot water.9.The old man’s house ___________ concrete and bricks.10.The question is how to ___________ the broken bike.四、配对，使之成为专业词汇（2’×10＝20分）（）1.open A. field（）2.magnetic B. application（）3.car wash C. center（）4.current D. unit （）5.machining E. tool（）6.control F. drives（）7.inductive G. sensor（）8.machine H. dryer（）9.disk I. pulse（）10.clothes J. loop五、判断题（2’×5＝10分）（）1.The standard clothes dryer is typically controlled by a sensor.（）2.Stepper motor are special alternative-current motors.（）3.Ink jet printers use stepper motors to feed the paper and drive print head.（）4.Nowadays the most common machine tools are turning center and machining center.（）5.Turning center are the latest development in CNC technology.。

机电专业英语期末复习试题.doc 机电专业英语期末复习试题第⼀部分交际⽤语1.⼀What time does the train leave?A.On Tuesday.B.In the morning.C.At half past five.2?⼀She is talking to Mary.A.What is she doing right now?B.What does she do?C.What is she talking about?3.--Hello, Mary, how are you?A? Very good. Are you good?B.Hello, Rose, how do you do?C.Very well, thank you. And you?4.⼀- Excuse me, how do T get to the gym, please?A.You take the number 66 bus from the supermarket.You get off outside the supermarket.C. r d like to see them.She is talking to Mary.A.What is she doing right now?B.What does she do?C? What is she talking about?6?⼀⼀How long does it take from Beijng to Nanjing by train?A. Tt costs about 300 yuan.B? Tt takes about 11 hours.C? It/s not near enough.the phone.7. ⼀⼀Could you ring them up please? I'm sometimes quite nervous onA.Are you? I am fine?B.Yes, why don't you cal 1 them?C? Yes, of course. T wi 11 phone them for you.第⼆部分词汇与结构1.How about ---------- a taxi?C. taking2.T am getting too fat. T have to ----------------------- my weight.A. work offB. Work outC. work to3.------------------- a coffee machine in the room?A. Are thereB. Is there C? Have there4.Sally" s parents ---------come and stay with her next week.A. are goingB. are going toC. is going to5.T don， t like bondon. It is ----------Beijing.A. differenl as B? as different as C. different from6.The Business Banking Department is on ------------------- second floor.A. /B. aC. the7 1 Mark is responsible --------- t he international market.A. inB. forC. of8? Who is that man over there? Do you know ---------------- name?A. theirB. herC. his9.I, cl like to ----------- you to a party this Saturday. A- join B- invite C. leave10.Hurry up. We dor/ t have time.A. enoughB. manyC. too many11.1 am not feeling very well. 1 to see the doctor.A. need12.------ r ice do you want to buy?A. How manyB. How muchC. HOW13.----------------- 1 haver/ t got a car. ⼀Neither ------------- T.A. haveB. dOC. amA. snowB. snowsC. is snowing15.That is Xiaoyan" s desk and this is ----------------------- .A. my B? me C. mine16.He hasn‘ t got——cousins.A. anyB. someC. much17- ⼀--- wrong with your clock? ⼀It' s broken.A. HOW' SB. WhatsC. Where' s18.How often take the medicine?A. I shouldB. I should toC. should I19. ---- The classroom is not big enough for 50 students. ⼀Yes, 1 agree. It" sA. too smallB. no bigC. not small enough20.P 11 give——.A. the man the bookB. the book the manC. the book for the man21.HOW about ---------- a taxi?A. takeB. to takeC. taking22.I am getting too fat. I have to -------------------------- my weight.A. work offB. Work outC. work to23. ------------------- a coffee machine in the room?A. Are there B? Is there C. Have there24. Sally' s parents come and stay with her next week.A. are goingB. are going toC. is going to25. T don" t 1 ike London. Tt is Bei jing.A. different asB. as different asC. different from第三部分阅读理解26-30⼩题：阅读下列短⽂。

《机电专业英语》考试题一．翻译词汇mechatronic 机电一体化（技术）sensor传感器actuator执行元件，执行结构Feedback反馈deviation偏差hydraulic液压的machine tool机床geometric modeling 几何建模job-lot amount单批量maintenance维护pallet随行夹具robot机器人drill钻床，钻头Lathe车床mill 铣床shaper牛头刨床planer龙门刨床grinder磨床tap攻丝pulley滑轮shaft轴bore 镗削screw螺杆tolerance公差torque转矩nut螺母spring弹簧key键bearing轴承coupling联结器clutch离合器diode二极管transistor三极管transistors 晶体管integrated circuit 集成电路chip 芯片capacitor 电容器resistor 电阻digital 数字（式）的lever杠杆Servomechanism伺服机构closed-loop闭环actuator 传动装置following device随动装置troubleshoot故障排除二．汉译英1.机电一体化技术，电子学，机械学，智能数控，机器人学，信息技术，科学术语。

Mechatronics , electronics, mechanics, intelligent control, robotics.information technology , scientific term .2.机电一体化技术广泛用于汽车工业、机械工业以及国防工业。

Mechatronics has been applying widely to auto industry, mechanical industry and national defense industry.3.大多数的机加工主要是由五种基本的机床来完成。

.1 / 6核工业技师学院2015-2016年第一学期期中考试复习题库科目： 机电英语 层次： 高级工 ， 考试时间 90分钟适用班级：二校区机电1322一、英汉互译。

（40分，每空2分）1、mechanical design____________________ 2、机械制图_____________________ 3、kinematics____________________ 4、工程材料_____________________5、strength of materials __________________6、unforeseen problems ________________________7、为了_________________8、operating dimensions ________________ 9、制造周期_________________________ 10、optimum utilization_________________ 11、销售吸引力_________________ 12、centrifugal force_________________ 13、thermal expansion ____________________ 14、交变应力________________________15、stress concentration_________________________________ 16、共振______________________17、parts manufacturers________________________18、CAD/CAM________________________ 19、螺纹孔_______________________ 20、_______________________________二、连线题（20分，每空2分）1. 运动副 A motivity member2. 原动件 B motion pairs3. 从动件 C switch4. 开关 D driven member5.自由度 E sliding pairs6. 机架 F hardness7. 坐标 G parameter8. 参变量 H coordinate9. 移动副 I machine frame 10. 硬度J free degree三、选词填空. （20分，每空3分） the accepted bases for calculations. They are sometimes rearranged in special forms to _______________ the determination or optimization of dimensions, such as the beam and __________________________equations for determining gear-tooth size. Factors may be added to a fundamental equation for conditions not analytically___________________, e.g., on thin steel tubes, an allowance for corrosion added to the thickness based on pressure. When it is necessary to apply a fundamental equation for to shapes, materials, or conditions which only approximate the assumptions for its derivation, it is done ______________________which gives results”__________________________”. In situations where data are incomplete, equations of the sciences may be used as proportioning guides to extend a satisfactory design to new capacities. 四、将下列句子翻译成中文（40分，每题5分）1.Activity connections between two members that have the rela tive motion are called the motion pairs .2.All motion pairs contact with planes are called lower pair s ，all motion pairs contact with points or lines are cal led high pairs3.The member is used to support the members of motion in the mechanism to be called the machine frame and used as the reference coordinate to study the motion system.4.The member that possesses the independence motion is called motivity member. The member except machine frame and motivit y member being compelled to move in the mechanism is called driven member.5.The independent parameter (coordinate number) essential for description or definite mechanism motion is called the fr ee degree of mechanism. 6.For gaining the definite relative motion between the membersof mechanism, it is necessary make the number of mot ivity members of mechanism equal the number of free degrees.7.Mechanisms may be categorized in several different ways to e mphasize their similarities and differences.8.A mechanism is the members combination more than two or two connections with the members to realize the regulation motion made by way of the activity.五、单项选择 (共30分每小题2分)1. --- I think eating more vegetables is good _______ our health.--- Yes, I agree _______ you.A. at, toB. to, toC. for, withD. for, to2. --- Do you know the boy________ is sitting next to Peter?--- Yes. He is Peter’s friend. They are celebrating his ________ birthday.A. who; ninthB. that; ninethC. /; ninethD. which; ninth3. --- Did you have a good time at Laura’s birthday party?--- Yes, indeed. It’s several years ________ I enjoyed myself so much.A. whenB. beforeC. sinceD. that4. --- You can use MSN to talk with Vivien on the Internet..3 / 6--- I know. But can you tell me ________? A. when I can use it B. what I can use it C. why can I use it D. how can I use it5. ---The 2010 World Expo (世博会) which will last 184 days will be heldin Shanghai on May 1st.--- ________ exciting news! We shall try our best to support it. A. How B. What C. How an D. What an 6. --- Have you seen the TV play My Ugly Mother ?--- Yes, it’s well worth ________. It’s ________ moving that I’ve seen it twice.A. seeing; tooB. to see; enoughC. seeing; soD. to see; such7. --- What do you think of the lecture of Li Ya ng’s Crazy English? --- I think it’s _______ , but someone thinks it’s much too ________. A. wonderful enough; bored B. enough wonderful; boring C. wonderful enough; boring D. enough wonderful; bored8. --- Who will send you to the new school, your mom or your dad? --- _______. I’ll go there by myself. A. Both B. Either C. Neither D. None 9. --- Is this park you’ve visited recently?--- Yes, it's the most beautiful one I’ve ever visited before. A. the one B. that C. which D. the one which 10. --- It’s difficult for the village children to cross the river for school.--- I think a bridge ________ over the river. A. should be built B. is being built C. has been built D. was built11. --- How do you like the dishes, Eric? --- Fantastic! Nothing tastes ________. A. nice B. better C. terrible D. worse12. --- After discussing, the students ________ some good ideas to work on the project.--- That’s great! A. put up B. came up with C. caught up with D. set up 13. --- Did you see a girl in yellow pass by just now? --- No, sir. I ________ a magazine. A. read B. am reading C. would read D. was reading 14. --- What did Mr Green say to you?--- “What a heavy rain! How did you come here?” He asked________. A. at all B. in fact C. in surprise D. as a result 15. --- Zhao Rui, it’s said that many famous singers will come to Yangzhou on April 18th .How about watching the evening show there?--- ________! Let’s ask Huang Tao to go with us. A. Best wishes B. Sounds great C. Good luck D. That’s OK 六、阅读理解(共90分 每小题3分)( A )Carl is a good boy. He lives in a small house with his family in London. He is 18 years old and he is a student of a secondary school. But he works after school every day. He has a part-time job. He helps at a big restaurant.Carl gets up at 6 in the morning. He doesn’t like to get up so early. But his first class begin at 7.30 a.m. He usually has some bread, an egg, an apple or a banana for his breakfast. His mother wants him to have a big breakfast. After that, he and his young sister, Tina go to school. Carl is at school from 7.30 to 12. He has lunch at 12.15with his good friend Tim. And then he has a little rest .In the afternoon, he works. There’re many customers in his restaurant at lunch and supper time and Carl likes to help them. After supper, he helps his parents clean the dishes in the kitchen. Then he studies in his bedroom. He doesn’t watch TV. He goes to bed at about 11.30 at midnight. He must be very tired.( )1. Carl is __________________.A. a waiter in a small restaurantB. a teacher at schoolC. a workerD. a student, but he helps in a restaurant after school( )2. Carl ____________________.A. works in a small restaurantB. lives in a small schoolC. studies in a small schoolD. lives in a big city( )3. Carl studies at school ___________________ a day.A. four hoursB. one hourC. four hours and a halfD. four hours and a quarter( )4. Carl must be very tired because __________________.A. he watches too much TVB. he works and studies for a long time every dayC. he has lots of dishes to cleanD. he is ill( )5. Which of the following sentence s is true?A. Carl likes to have many things for his breakfast.B. Carl’s mother works in a restau rant.C. Tina is Carl’s young sister and she is a student, too.D. Carl’s father doesn’t do anything at home.( B )Have you felt annoyed when telephone rings during the class? Something must be done to stop this. Now in New York City, USA, a rule is carried out in schools. Students can’t even bring telephones to school. Is it a good thing or not?Anxious parents say that telephones are important tool in holding New York city’s families tighter.“I worry about it,” said Elizabeth Lorris Ritter, a mother of a middle school kid. “It’s necessary in our everyday life. We have a washing machine, we have running water, and we have telephones.”Many American parents think telephones connect them to their children on buses, getting out from subways, walking through unknown places. “I have her call me when she gets out of school,” said Lindsay Walt, a schoolgirl’s mother. “Nobody in New York is going to let their child go to school without a telephone.”What about the telephone owners, the students? Most of the students said telephones were essential and the telephone was like an extra hand or foot for them.“I feel so empty,” said May Chou, 14. “There is also no way to listen to music on the way to school without my phone. It will be a really, really boring trip.”( ) 6.You will feel _________when you hear a telephone ring in class.A. annoyedB. excitedC. happyD. bored( ) 7.You can use a telephone _________.A. to enjoy listening to music B .to work as running waterC .to work as a washing machine D. to work as computer( ) 8.Which of the following statements is true?A. Many American parents don’t think telephones are necessary for the students.B. Telephones only bring troubles to the school life.C. Telephones connect children with their families when they are outside.D. Telephones are really useless and cost a lot.( ) 9.The underlined word “essential” means_________.A. fashionableB. interestingC. differentD. necessary ( ) 10.This article is about the _______in carrying out(开展) the rule not to use a telephone in school.A. happinessB. interestC. problemD. sadness( C )Many children use the Internet to get useful knowledge and information, and to relax in their free time. But some of them are not using it in a good way. Here are some rules to make sure you are safe and have fun on the Internet.Make rules for Internet use with your parents. For example, when you can go on line, for how long and what activities you can go on line.Don’t give your password (密码) to anyone else, and never give out the following information ---your real name, home address, age, school, phone number or other personal information.Check with your parents before giving out a credit card (信用卡) number.Never send a photo of yourself to someone in unless your parents say it’s OK.Check with your parents before going into a chat room. Different chat rooms have different rules and attract different kinds of people. You and your parents will want to make sure it’s a right place for you.Never agree to meet someone you met on the Internet without your parents’ permission. Never meet anyone you met on line alone.Always remember that people online may not be who they say they are. Treat everyone online as strangers.If something you see or read online makes you uncomfortable, leave the site. Tell a parent or teacher right away.Treat other people as you’d like to be treated. Never use bad language.Remember：not everything you read on the Internet is true.11. The writer tells children to_________.A. send their photos to himB. make rules for Internet use with parentsC. believe everything they read on the Internet12. It’s good for children to_______ on the Internet.A. give password to othersB. get useful knowledge and informationC. give out a credit card number13. What shouldn’t be done when you are on line?A. Using bad language.B. Treating everyone online as strangers.C. Leaving the site if you feel uncomfortable.14. If your parents don’t agree, n ever_______.A. read anything on the InternetB. treat other people as you’d like to be treatedC. have a face-to-face meeting with anyone you met online15. The best title for this passage is “_______”.A. How to Use ComputersB. Information on the InternetC. Internet Safety Rules( D )We’ve talked about snails (蜗牛) and their slow move. But much of the time snails don’t move at all. They’re in their shells (壳)---sleeping .Hot sun will dry out a snail’s body. So at the least sign of hot su n,.5 / 6a snail draws its body into its shell and closes the opening with a thin cover. Then it goes to sleep. A snail will die in a heavy rain. So whenever it rains, it goes inside its shell house and goes to sleep. A snail can sleep for as long as it needs to. It can take a short sleep. Or it can sleep for days at a time. And it spends all the winter months in its shell, asleep.In spring the snail wakes up. Its body, about three inches long, comes out of from the shell. When hungry, the snail looks for food. It can’t see very well. Its eyes, at the ends of the top feelers (触角)are very weak. But its sense of smell is very strong. It helps the snail to the new greens. Then the snail’s little mouth goes to work.A snail’s mouth is no longer than the point of a pin(针) . Yet it has 256,000 teeth! The teeth are so small that you can’t see them. But they do their work. If you put a snail in a hard paper box, it will eat its way out. And if a snail wears out its teeth, it will grow new ones. Mostly, a snail looks for food at night. But on cloudy days it eats in the daytime. It eats all day long. A snail can go on eating for hours and never feel full.16. A snail .A. moves more slowly in the daytimeB. has thousands of feetC. sleeps much of the time17. In the sentence “A snail draws its body into its shell”, the word “draw” means_________. A. to make with a pen B. to keep away from C. to pull 18. From the story we know_________.A. the snail’s shell is very thinB. a snail can’t see wellC. the snail’s nose is quite short19. A snail goes to sleep when_________. A. it feels hungry B. it rains heavily C. spring is coming 20. Which of the following in not true?A. A snail doesn’t like liv ing under the sunB. In winter the snail doesn’t eat or moveC. The snail’s teeth can’t be worn out.( E )Firstly, let’s learn the contactor. A contactor is an electrically controlled switch used for switching a power circuit. Generally speaking,a contactor is activated by a control input which is a lower voltage / current than that which the contactor is switching. Contactors come in many forms with varying capacities and features.Contactors vary from having a breaking current of several amps and 110 volts to thousands of amps and many kilo-volts. The physical size of contactors differs from a few inches to the size of a small car.Then let’s know the purpose of contactor. Usually, contactors are used to control electric motors, lighting, heating, capacitor banks and other electrical loads.And now let’s see what a contractor consists of. We can say: a contactor consists of 3 different systems: contact system, electromagnet system and arc control system.So do you know their function? In a general way, the contact system is the current carrying part of the contactor. This includes power contacts, auxiliary contacts, and contact springs. The electromagnet system provides the driving force to close the contacts.FuseMaybe you have already known that a fuse is the easiest and efficient protective electrical apparatus and it is designed for short circuit protection in many cases. Always we use FU to stand for fuse.21. A contactor is an electrically controlled switch used for switchinga ____ circuit.A. noneB. secondaryC. primaryD. power22. Contactors are used to control electric____, lighting, heating, capacitor banks and other electrical loads.A. noneB. bothC. generatorsD. motors 23. A contactor consists of 3 systems: contact system, ____ and arc control system.A. toughB. strongC. electromagneticD. it doesnot mention24. The contact system is the ____ carrying part of the contactor A. gold B. resistanceC. current D. voltage 25. Always we use FU to stand for ____.A. inductorB. fuseC. resistorD. capacitor ( F )Multi-meter is a multi-functional, multi-range, portable electronicinstrument. It can be used to measure many physical quantities such as the current and voltage of DC and AC, as well as resistance, audio leveland the multiple of DC magnification of the transistor, and so on. Multi-meter is composed of thehead, measuring line, switch and testing pen, etc. The head is used to indicate the measured values; measuring lineis used to convert various measured current to small DC current or voltage suitable for thehead measurement; change-over switch is to realize different choices of measuring lines and different range to meet specific requirement.The multi-meter can be divided into analogue and digital multi-meter. The analogue multi-meter takes magnetic-electric measurement institutions as the core, using indicators to show measured values; the digital multi-meter takes a digital voltage meter as the core, along with different converters and shows measured values via liquid crystal indicator.26. The multi-meter can measure current, voltage, resistance, audiolevel and the multiple of DC magnification of____.A. resistorB. capacitorC. transistorD. inductor27. Multi-meter is composed of thehead, measuring line, switch and ____,etc.A. testB. penC. wireD. testing pen28. The multi-meter can be divided into analogue and____ multi-meter.A. redB. numberC. digitalD. numerical29. ____ multi-meter takes magnetic-electric measurement institutionsas the core.A. AnalogueB. DigitalC. NoneD. Both30. ____ multi-meter takes a digital voltage meter as the core.A. AnalogueB. DigitalC. NoneD. Both七、写作1、写一篇关于学习专业英语的感受，不少于200词。

机工英语考试题库及答案一、单选题（每题2分，共40分）1. The machine is designed to operate at a speed of ________.A. 1000 rpmB. 1500 rpmC. 2000 rpmD. 2500 rpm答案：B2. The ________ of the engine is crucial for its performance.A. efficiencyB. capacityC. powerD. torque答案：A3. The ________ system is responsible for cooling the engine.A. lubricationB. exhaustC. coolingD. fuel答案：C4. The ________ is used to measure the temperature of the machine.A. thermometerB. ammeterC. voltmeterD. tachometer答案：A5. The ________ is a key component in the transmission system.A. clutchB. brakeC. gearD. belt答案：C6. The ________ is used to control the speed of the machine.A. governorB. regulatorC. controllerD. actuator答案：A7. The ________ is responsible for converting mechanical energy into electrical energy.A. generatorB. motorC. alternatorD. transformer答案：A8. The ________ is used to reduce the speed of the machine.A. pulleyB. leverC. gearD. belt答案：C9. The ________ is used to measure the pressure of the machine.A. manometerB. barometerC. voltmeterD. ammeter答案：A10. The ________ is a type of bearing that allows for rotation.A. ball bearingB. roller bearingC. plain bearingD. thrust bearing答案：A11. The ________ is used to control the flow of fuel into the engine.A. carburetorB. injectorC. pumpD. filter答案：B12. The ________ is a type of valve that controls the flow of fluids.A. gate valveB. check valveC. globe valveD. butterfly valve答案：A13. The ________ is used to measure the electrical current in a circuit.A. voltmeterB. ammeterC. ohmmeterD. wattmeter答案：B14. The ________ is a type of joint that allows for limited movement.A. riveted jointB. welded jointC. bolted jointD. pinned joint答案：C15. The ________ is used to measure the electrical resistance in a circuit.A. voltmeterB. ammeterC. ohmmeterD. wattmeter答案：C16. The ________ is a type of bearing that operates on a sliding surface.A. ball bearingB. roller bearingC. plain bearingD. thrust bearing答案：C17. The ________ is used to measure the electrical power in a circuit.A. voltmeterB. ammeterC. ohmmeterD. wattmeter答案：D18. The ________ is a type of bearing that supports a rotating shaft.A. ball bearingB. roller bearingC. plain bearingD. thrust bearing答案：A19. The ________ is used to control the temperature of the machine.A. thermostatB. regulatorC. controllerD. actuator答案：A20. The ________ is a type of valve that prevents backflow of fluids.A. gate valveB. check valveC. globe valveD. butterfly valve答案：B二、填空题（每题2分，共20分）21. The ________ is a type of bearing that supports a rotating shaft and reduces friction.答案：ball bearing22. The ________ is used to convert the linear motion of a piston into the rotational motion of a crankshaft.答案：crankshaft23. The ________ is a type of valve that controls the flow of fluids by rotating a disc.答案：butterfly valve24. The ________ is used to measure the electrical voltage in a circuit.答案：voltmeter25. The ________ is a type of bearing that operates on a rolling element.答案：roller bearing26. The ________ is used to convert the rotational motion of a crankshaft into linear motion.答案：piston27. The ________ is a type of valve that controls the flow of fluids by sliding a gate.答案：gate valve28. The ________ is used to measure the electrical current in a circuit.答案：ammeter29. The ________ is a type of bearing that operates on a sliding surface and reduces friction.答案：plain bearing30. The ________ is used to measure the electrical resistance in a circuit.答案：ohmmeter三、判断题（每题2分，共20分）31. The governor is used to control the speed of the machine. (对/错)答案：对32. The clutch is a key component in the transmission system. (对/错)答案：对33. The pulley is used to increase the speed of the machine. (对/错)答案：错34. The ammeter is used to measure the electrical current in a circuit. (对/错)答案：对35. The generator is responsible for converting electrical energy into mechanical energy. (对/错)36. The carburetor is used to control the flow of fuel into the engine. (对/错)答案：对37. The thrust bearing is used to support a rotating shaft. (对/错)答案：错38. The voltmeter is used to measure the electrical voltage in a circuit. (对/错)答案：对39. The gate valve is a type of valve that controls the flow of fluids by rotating a disc. (对/错)答案：错40. The ohmmeter is used to measure the electrical resistance in a circuit. (对/错)四、简答题（每题10分，共20分）41. Explain the function of a thermostat in a machine.答案：A thermostat is a temperature control device that regulates the temperature of a machine by controlling the flow of coolant. It maintains the engine at an optimal operating temperature by opening or closing the cooling system's flow path as needed.42. Describe the purpose of a regulator in an electrical circuit.答案：A regulator in an electrical circuit is a device that maintains a constant voltage level by adjusting the output voltage to compensate for changes in load or input voltage. It ensures that the voltage supplied to the circuit remains stable and within the desired range, preventing damage to sensitive electronic components.。

机电一体化专业英语试题及答案Test OnePart I Choose the best symbol (16%)Directions:The following is a set of symbols denoting Working Safety. Choose the best symbol according to the information given below.Worker ID Card Face Shield Ear Protection Ear Plug & GoggleWelding Mask Safety Helmet Eye Protection High Visibility Jacket1. 2. 3. 4.5. 6. 7. 8.Part II Translate Phrases into Chinese or English (20 %) Directions: This part is to test your ability to translate the following phrases into Chinese or English.1. corrosion resistance ___________________2. 中碳钢_____________________3. lead screws __________________________4. 耐磨性___________________5. electrical conductivity ________________6. 铝合金___________________7. die-casting__________________________8. 印刷电路板________________ 9. axis of rotation_________________________ 10. 精加工___________________Part III Matching (16%)Directions: This part is to test your ability to choose the interpretations given in Column C match the Functions given in Column A, and then put thefunctions into Chinese in Column B.A. Vee BlockB. Tool Maker ClampC. Surface PlateD. Bench ViceE. Angle PlateF. Hand ViceG. Vice ClampH. Pipe Vice1.(平板)2.(角板)3.(V型块三角槽铁)4.(手钳)5.(老虎钳)6.(管子台虎钳)7.(虎钳夹)8.(工件夹钳)Part IV Translate English into Chinese (28%)Directions: This part is to test your ability to translate English into Chinese.There are many kinds of machining operations, each of which is capable of generating a certain part geometry and surface texture.In turning, a cutting tool with a single cutting edge is used to remove material from a rotating work-piece to generate a cylindrical shape. The speed motion in turning is provided by the rotating work-part, and the feed motion is achieved by the cutting tool moving slowly in a direction parallel to the axis of rotation of the work-piece.Drilling is used to create a round hole. It is accomplished by a rotating tool that typically has two cutting edges. The tool is fed in a direction parallel to its axis of rotation into the work-part to form the round hole.In boring, the tool is used to enlarge an already available hole. It is a fine finishing operation used in the final stages of product manufacture.In milling, a rotating tool with multiple cutting edges is moved slowly relative to the material to generate a plane or straight surface. The direction of the feed motion is perpendicular to the tool’s axis of rotation. The speed motion is provided by the rotating milling cutter.Part V Translate Chinese into English (20 %) Directions: This part is to test your ability to do practical writing.1. 这些机器都是由中国人造出的。