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1、Passenger Cars Diagnostic Technicians Final Exam Non-Technical技能大赛模拟考试MT(保养技师)共30题,每1题5个选项,1个选项1分,共150分答错,漏答均扣1分测试时间为30分钟姓名:成绩:111/05Passenger Cars Diagnostic Technicians Final Exam Non-Technical错误!文档中没有指定样式的文字。问题1What are the influence parameters for the ASSYST Plus to carryout the servicing schedu

2、le?以下那些参数会影响 ASSYST Plus计算保养间隔?aQuality of the engine oil used所用机油的品质XbEngine temperature发动机的温度XcTime factor时间因素dEngine capacity发动机容量XeEngine revolution and load发动机转速和负荷问题2m What does this symbol “l” for operation notes stands for?m 操作信号“l”代表什么?aSafety information安全信息bSafety tools安全工具cService inform

3、ation服务信息dService measure服务措施XeSpecial tools特殊工具问题 3State the description of abbreviation “AP”以下关于缩写 “AP”的描述哪些是正确的?aTesting and repair work测试和维修工作XbMaintenance, care, emmision testing, safety testing维修、保养、排放测试和安全测试cService information 服务信息dService measure 服务措施eSafety information 安全信息问题 4ASSYST PLUS

4、Service Code “C+”, what does the symbol “+” represent? ASSYST PLUS 维修代码 “C+”中+代表什么?aOil service更换机油bmaintenance保养c3 hours service work 小时保养工作XdBrake pads inspection 检查刹车片eAir filter inspection检查空气滤芯问题 5Which of the following statements regarding the engine and transmission oils are correct? 以下有关发动机和

5、变速箱油的说法哪些是正确的?aThe SAE codes for engine and transmission oils match one another 发动机油和变速箱油的SAE等级相互匹配。bMineral oils are more heat resistant than synthetic oils.矿物油比合成油的热阻更高。cIn its original packaging, oil can be stored for several decades before it ages. 机油在未开封的情况下能储存数十年不会变质。dThe SAE code indicates th

6、e viscosity (flowability) of an oil.机油的SAE等级表示机油的粘性(流动性)。eA list of tested and approved engine and transmission oils can be obtained from any Mercedes-Benz workshop. Notes can also be found on some types of engine oil, e.g. Approved in accordance with sheet no. 229.5.可以从梅赛德斯-奔驰特许服务中心获得经测试,允许用于奔驰汽车的一

7、系列发动机和变速箱油。在某些类型的发动机油的包装上还带有诸如:“经认证,符合229.5机油标准”的标签。问题6What does service code “Service A to Service H” indicates in the ASSYST PLUS system? 在ASSYST PLUS系统中,保养代码“Service A到Service H”代表什么?#aA different types of maintenance job with regards to the service work 不同的保养类型bA total numbers of mechanic requir

8、es to do the service work 进行保养所需的技工总人数#cA number of hours it will take to do the service work 进行保养所需的工时dA different kind of engine oil used to do the service work 保养时使用的不同的发动机油类型eA type of service needs to be carryout on the vehicle 需要执行的保养类型问题 7Which of the following statements about coolant are co

9、rrect?下列有关冷却液的陈述哪些是正确的?#aThe task of anticorrosion /antifreeze agent are corrosion protection, antifreeze protection and increasing boiling point.防腐防冻剂的作用是防腐、防冻,提高沸点。bIn countries with high temperatures, the anticorrosion /antifreeze agent is not required in coolant system.在温度较高的国家,无需在冷却液系统中加入防腐、防冻剂

10、。cThe proportion of anticorrosion/antifreeze in the cooling system should be 50% which provide antifreeze protection down to around 37 C.如果冷却液中防腐、防冻剂的比例为50%,该冷却液能抵抗最低37 C的严寒。dThe cooling system should be pressurized to 2.0 bar. Check all cooling and heating hoses and connection point for loss of coo

11、lant.应给冷却液加2.0巴的压力。检查所有的冷却和加热管及连接点以防冷却液泄漏。#eDo not open coolant unless temperature is below 90. Open cap slowly and release the pressure.在冷却液温度降至90之下后才能打开水箱盖。慢慢开启水箱盖,并释放压力。问题 8Which of the following statements on fuel system are correct?下列有关燃油系统的陈述哪些是正确的?aFuel filter with integrated fuel regulator i

12、s installed in single-line system.在单回路供油系统中,安装的是带燃油压力调节阀的燃油滤清器。bThe fuel pressure is controlled by the diaphragm pressure regulator in line with the intake manifold pressure in single-line system. 在单回路供油系统中,由膜片式压力调节阀控制燃油压力,调节阀的一端与进气歧管相连。cW211 and R171 fuel pump locate in fuel tank and fuel filter wi

13、th integrated fuel regulator is mounted behind the fuel tank chamberW211和R171的燃油泵位于油箱中,带压力调节阀的燃油滤清器安装在油箱室的后面。dThe fuel pressure regulator is located on the fuel rail in single-line system.压力调节阀在单回路供油系统中位于油轨上。eThe actuation of fuel pump relay is controlled by Engine control unit.驱动燃油泵继电器是由发动机管理系统的电脑来

14、控制的。问题9Which of the following statements about function of engine oil sensor(B40)are correct?以下有关发动机油传感器(B40)的陈述哪些是正确的?aDetecting oil temperature, quality and oil level 检测油温、油质和油位bDetecting oil quantity to calculate the next service检测机油量,计算下次保养的时间。cDetecting oil consumption and warn the driver on in

15、sufficient oil in instrument cluster.检测机油消耗量,一旦机油不足,便在仪表盘中显示警告信息。dDetecting viscosity of the engine oil检测机油粘度。eDetecting the oil pressure and warn the driver to stop the engine检测油压,并警告驾驶员熄灭发动机。问题 10Which of the following statements about reset ASSYST indicator are correct? 下列有关ASSYST指示器的陈述哪些是正确的?aAS

16、SYST will automatically reset when oil sensor detect oil quality has be changed.一旦机油传感器检测到机油质量已经改变,ASSYST系统将自动复位。bReset ASSYST by using DAS 利用DAS复位ASSYST系统。cReset by using Multifunction steering wheel and Multifunction display. 利用多功能方向盘和多功能显示器复位ASSYST系统。dThe unintentional maintenance item confirmati

17、on can be revoked. 可以取消对不愿保养项目的确认。eReset carry out procedure is mentioned in owners manual 能在用户手册中查询到复位的操作程序。问题11Which MB passenger vehicle is fitted with TPM (tire pressure loss warning) system? 下列哪些型号的奔驰车安装了 TPM(轮胎压力流失警告)系统?XaR171bC209XcW211XdW203eW220问题 12What should you observed before changing

18、one tyre during a puncture? 轮胎被扎破后,在更换前需要遵守下列哪些步骤?aClean the tyre before install 安装前清洁轮胎bTighten the tyre screw with torque 用扭力紧固轮胎螺栓XcUse the chock to secure the vehicle 用楔子固定车辆XdLevel the vehicle on a smooth ground 将车辆停放在平坦水平的路面上。eCheck tire valve for leakeage 检查轮胎气门是否有漏气现象。问题 13Which of the state

19、ment below regarding the tyre designation (185 / 65 R15 88 H) are correct? 下列有关轮胎代码(185 / 65 R15 88 H) 的陈述哪些是正确的?Xa185 - nominal width of tyre in mm 185-轮胎标称宽度,单位为毫米b65 - load index (max. carrying capacity) 65- 载重指数(最大承载能力)XcR - tyre type of construction (radial) R-轮胎的制造类型(子午线)d88 - cross section ra

20、tio of tyre in % 88-轮胎横切面的百分比比率%XeH - speed symbol (max. speed of tyre) H-速度符号(轮胎的最高速度)问题 14Which task does the safety on a steering wheel fulfill? 方向盘有何种安全功能?aThe vehicle should be able to be steered after an accident 发生事故后,方向盘仍能转动。bThe vehicle should be able to be steered even on off road conditio

21、n 即使在越野情况下方向盘仍能转动。cThe steering should be able to withstand the impact off an accident 在事故中,方向盘应该能承受住冲击。dThe steering should be able to be steered smoothly in every situation 方向盘在任何情况下都能平顺转向。XeThe intrusion of the steering shaft into the passenger cabin should be avoided应避免转向柱刺入乘客舱内。问题 15Suspension

22、and shock absorber are important for . 悬挂和减震器对下列哪些情况至关重要?achassis in case of an accident it would not be crumple 对底盘至关重要,可以防止底盘在发生事故时被挤得拱起来bthe drivers and occupants in order to support the chassis and frame during impact 对驾驶员和乘客至关重要,在碰撞时为底盘和车架提供支撑。Xccurve behaviour especially when driving in fast c

23、urves 对车辆作曲线运动时,尤其是在高速曲线行驶的情况下非常重要。Xddriving safety due to the unevenness of the road surface 对在不平坦道路上行驶的安全性非常重要。Xedriving comfort due to the unpleasant vibration of the chassis 对驾驶的舒适性非常重要,可以防止因底盘震动使乘客感觉不舒服。问题 16How to identify what kind of oil (water) is, if oil (water) is detected at front sectio

24、n of chassis? 如果在底盘前部发现有油(水)渗漏,如何识别是油还是水?Xaby visual 通过看Xbcolor of oil 通过油的颜色Xcposition of leakage 通过渗漏的位置Xdoil viscosity 通过油的粘性Xeby repressure 通过再加压问题 17When should tire pressure sensor of TPM be renewed ? 什么时候更换TPM的轮胎压力传感器?awhile replacing new tire 更换新轮胎时Xbwhile sensor battery is flat 当传感器电池没电时can

25、y time 任何时候dwhile annual check 年检时ecustomer request 根据客户的要求问题18Which brake fluid type(s) can be used for passenger car? 以下哪些类型的制动液能用于奔驰车?aDOT3bDOT3+XcDOT4XdDOT4+ehydraulic oil 液压油问题 19What is the meaning of “700” in W7A 700? 在W7A 700中的”700” 是什么意思?aMin. input torque is 700 Nm最小输入扭矩是700 牛顿米bMin. out p

26、ut torque is 700 Nm最小输出扭矩是700牛顿米XcMax. input torque is 700 Nm最大输入扭矩是700牛顿米XdMax. out put torque is 700 Nm最大输出扭矩是700牛顿米eTorque converter diameter is 700 mm液力变矩器的直径是700毫米问题20At more than which speed does the selector lever in D position is locked to prevent operating errors when vehicle is moving forw

27、ard? 当车辆向前行驶速度超过大约多少Km/h时,换档杆在D档的位置被锁止以防止误操作?Xa3km/hb6km/hc8km/hd10km/he18km/h问题 21What path does the automatic transmission fluid take through the lubrication circuit?自动变速器油在润滑回路中的流经路径是?aOil sump pump electrohydraulic control unit torque converter oil cooler lubrication points油底 泵 电液控制单元 液力变矩器 冷却器

28、润滑点bOil sump electrohydraulic control unitpump torque converter oil cooler lubrication points油底 电液控制单元泵 液力变矩器 冷却器 润滑点XcOil sump pump torque converter electrohydraulic control unit oil cooler lubrication points油底 泵 液力变矩器电液控制单元 冷却器 润滑点XdOil sump pump electrohydraulic control unit torque converter lubr

29、ication points oil cooler油底 泵 电液控制单元 液力变矩器 润滑点冷却器Xepump Oil sump electrohydraulic control unit torque converter oil cooler lubrication points泵油底 电液控制单元 液力变矩器 冷却器 润滑点问题22How to identify what kind of oil (water) is, if oil (water) is detected at front section of chassis? 如果在底盘前部发现有油(水)渗漏,如何识别是油还是水?Xab

30、y visual 通过看Xbcolor of oil 通过油的颜色Xcposition of leakage 通过渗漏的位置Xdoil viscosity 通过油的粘性Xeby repressure 通过再加压问题23What has to be observed when connecting an Ohmmeter?连接欧姆表时,需要遵守下列哪些要求?aThe consumer load should have room temperature.应该在室温下测量用电器载荷。XbThat the rated voltage of the consumer load is disconnect

31、ed. 用电器载荷的额定电压被断开。XcThat the component, which has to be measured, is electronically detached from the circuit.将需要测量的元件从电路上断开。dTo avoid any damage to the components, a resistance lower than 1 K should not be measured.为避免损坏元件,不应测量低于1K的电阻。eThe consumer should be in operating condition用电设备应处于工作状态。问题24Wh

32、at is the resistance value in the circuit shown when switch S42 is closed?在开关S42闭合的情况下,图中所示电路的电阻值是多少?a0b60Xc110 d170 e280 问题 25Why do we need a relay component in our wiring system? 为什么在我们的电路系统中需要一个继电器呢?aTo decrease the line length from one component to the other缩短从一个元件到另一个元件间的线路长度。XbTo avoid spark

33、jumps on the operating switch避免在操作开关中出现发火花。XcTo minimize the switching power at the operating switch使操作开关处的开关电流最小化。XdFor switching higher currents为了控制更高的电流。eFor component to depend on the power supply为了使元件依靠电源供电。问题26Which signal (pattern) can you measure when you press the Hz button? 当你按下Hz钮,你能测量下列哪种信号(模式)?XaFrequency频率bPeak voltage 电压峰值XcDuty cycle 工作循环dDiodes polarity 二极管的极性eCapacitance measurement电容值问题 27What has to be observed when connecting an Ohmmeter?连接欧姆表时,需要遵守下列哪些要求?aThe consumer load should have room temperature.应该在室温下测量用电器载荷。XbThat the

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