《机电设备评估基础》考试真题与答案.pdf

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1、一、单项选择题（共 30 题，每题 1 分，每题的备选项中。只有l 个最符合题意）1、下列机械传动中，（）传动不属于啮合传动。A、凸轮机构B、圆柱蜗杆C、链D、螺旋2、下列关于压力加工的叙述中，正确的是（）。A、采用压力加工方法制造的毛坯力学性能不好B、模锻加工需用模具而冲压加工不需要模具C、模锻适用于大批量生产而冲压鼠适用于小批量生产D、模锻适用于加工多种形状的金属原材料而冲压适用于板料、条料加工3、在 20 级尺寸公差中，（）在机床和一般较精密的机器制造中用得最普遍。A、IT6-IT5 B、IT7-IT6 C、IT9-IT8 D、ITl0-IT13 4、以下关于功，以及机械传动功率与效率的

2、说法中，不正确的是（）。A、功的大小等于力和物体沿作用力方向移动距离的乘积B、功率等于力在其作用点速度方向上的分量与速度的乘积C、机器的输出转矩与输出转速成反比D、机械效率总是小于l 5、下图所表示的是（）的工作原理图。A、齿轮泵B、双作用叶片泵C、单作用叶片泵D、径向柱塞泵6、已知双杆活塞液压缸的活塞直径20cm，活塞杆直径4cm，若作用在活塞上的液压推力为 200kN，则液压缸的液压传动压力为（）Pa.A、6.63 10-1 B、9.95 10-1 C、6.63 106 D、9.95 106 7、下列有关液压调速的表述中，不正确的是：（）A、节流调速都采用定量泵供油B、节流调速都采用流量控

3、制阀调节流量文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3

4、文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:C

5、Z7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8

6、F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 H

7、T4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U1

8、0X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3

9、 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3C、节流调速都可以获得平稳的运动D、节流调速效率较低，一般应用于功率不大的场合。8、下列中、小型变压器的部件中，（）属于保护装置。A、储油柜B、有载分接开关

10、C、冷却装置D、油箱9、下列关于鼠笼式三相异步电动机的表述中，正确的是（）。A、其定子由铁芯和定子绕组组成B、三相定子绕组的首端、末端分别接在出线盒的接线柱上C、三相定子绕组的首端连接在一起，末端分别接在出线盒的接线柱上D、功率较大的电动机（100kW 以上），其鼠笼转子多采用铸铝材料10、一台直流电动机，其额定电压为220V，额定电流为808A，额定效率为90，该电动机的额定功率为（）kW。A、197.5l B、177.76 C、159.98 D、143.98 11、机床的生产率可以用（）表示。A、每批工件的切削时间B、单位时间内机床所能加工的工件数量C、每个工件的切削加工时间与辅助时间之和

11、D、每批工件的数量12、机床的类代号中，汉语拼音大写字字母Y 代表（）。A、仪表车床B、摇臂钻床C、研磨机D、齿轮加工机床13、以下关于车床的表述中，不正确的是（）。A、切削加工时，主轴总是承受切削力B、丝杠是专门为车削各种螺纹而设置的文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1

12、X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4

13、R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X

14、10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 Z

15、K7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9

16、E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档

17、编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7

18、K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3C、溜板箱是车床进给运动的操纵箱D、进给箱中装有将丝杠和光杠的旋转运动变成刀架直线运动的机构14、下列关于电火花加工特点的叙述中，不正确的是（）。A、可以加工任何硬、脆、韧、软、高熔点、高纯度的导电、非导电材料B、适于加工小孔、薄壁、窄槽及具有复杂截面的零件C、加工中几乎不受热的影响，因此可以减少热影响层，提高加工后的工件质量D、由于脉冲参数可调节，因此在同一台机床上可以进行粗、半精、精加工15、下列各项中，（）是组成中高档CNC 装置不可缺少的部分。A、零件加工程序B、可编程序控制器C、输入、输出设备D、速度控制单元16、半

19、闭环控制和闭环控制数控机床（）。A、都有装在工作台上的位置检测装置B、都有装在电动机轴端的速度检测器C、都是将工作台实际运行位置与指令位置进行比较，用差值进行控制D、都可以获得同样高的控制精度17、数控车床的进给伺服驱动系统（）的说法是错误的。A、包括速度控制和位置控制B、在低速时应该输出大转矩C、应该响应快、调速范围宽D、具有恒线速切削功能18、内燃机的做功冲程发生在（）之后，膨胀功经连杆由曲轴输出，从而把燃料的热能转换为机械动。A、进气冲程B、压缩冲程C、膨胀冲程D、排气冲程19、压力容器的设计温度是指（）。A、在正常工作条件下，设定的受压元件的金属温度B、在正常工作条件下，压力容器内部工

20、作介质的温度文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3

21、文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:C

22、Z7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8

23、F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 H

24、T4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U1

25、0X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3

26、 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3C、额定工况的介质温度D、压力实验时壳体的金属温度20、由于（）较少用作容量较大、压力较高的工业锅炉。A、结构方面的限制，火管锅炉B、热效率较低，火管锅炉C

27、、结构方面的限制，水管锅炉D、热效率较低，水管锅炉21、下列锻造设备中，只有（）在整个工作行程中都能对工件施加最大工作压力。A、空气锤B、摩擦压力机C、曲柄压力机D、水压机22、在使用冲天炉熔炼铸铁的过程中，（）是熔化过程中要解决的重要问题之一。A、脱磷B、脱碳C、脱硫D、脱锰23、现代设备经管理论将（）作为经管目标。A、对设备进行使用期内的维修经管，通过一系列维修措施保证设备在使用过程中的有效性和可靠性B、保证设备在使用过程中的有效性和可靠性的同时，追求最小的维修费用C、设备在寿命周期内经济性最好D、设备在寿命周期内维修费用最小24、设备的单位大修理成本是指没备在大修理过程中，（）所消耗的各

28、种修理费用。A、单台设备B、单台设备每年C、单机、生产线或生产班组每年D、一个修理复杂系数的设备25、在静强度设计中，脆性材料的许用应力等于（）除以安全系数A、强度极限B、屈服极限文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3

29、文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:C

30、Z7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8

31、F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 H

32、T4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U1

33、0X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3

34、 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8

35、T9E3A3C、比例极限D、弹性极限26、以设备或部件输出参数作为故障特征参数（）。A、一般难以发现早期故障B、不但能查出有无故障还能查明故障原因C、可以判断出故障的形式D、可以判断出故障的部位27、下列关于涡流测振传感器的叙述中，正确的是（）。A、是基于电磁感应原理工作的接触式测振传感器B、属于相对式测振传感器C、属于能量转换型传感器D、适于测量旋转轴系的振动速度和转速28、热电偶（）的说法是错误的。A、基于热电效应进行温度测量B、不仅能测量液体、气体内部的温度，还能测量固体表面的温度C、所产生的热电动势不仅与热电偶材料、两端温度有关，还与热电极长度有关D、便于远距离和多点测量29、检验车床

36、几何精度时，在主轴孔中插人一根短检验棒，在检验棒中心放一粒铜球，然后用固定在溜扳上的平头百分表测头触在钢球上，转动主轴进行检验。百分表读数的最大差值，即为所测误差值。以上程序测量的是（）。A、主轴锥孔轴线的径向跳动B、主轴轴线对溜板移动的平行度C、主轴轴向窜动D、床头和尾座两顶尖等高度30、桥式起重机车轮轮缘磨损量超过原厚度的（）时，则应报废更换。A、20B、30C、40D、50二、多项选择题（共l0 题。每题2 分。每题的备选项中，有2 个或 2 个以上符合题意，至少有 1 个错项。错选，本题不得得分；少选。所选的每个选项得O.5 分）31、表面粗糙度对机器零件的（）均有较大影响。文档编码:

37、CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J

38、8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1

39、HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U

40、10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G

41、3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q

42、8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A

43、3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3A、配合性质B、耐磨性C、抗腐蚀性D、尺寸精度E、变形刚度32、液压系统中，常用的压力控制阀有（）A、溢流阀B、节流阀C、减压阀D、单向阀E、顺序阀33、下列变压器中，（）归属于

44、电力变压器。A、升压变压器B、凋压变压器C、降压变压器D、配电变压器E、接地变压器34、以下各工序中，能够在普通车床上完成的有（）A、镗孔B、钻孔C、铣键槽D、磨外圆E、滚花35.数控机床主机包括（）A、主轴B、导轨C、床身D、交换工作台E、排屑装置36、对于工业锅炉，（）是为提高效率、降低排烟温度而设置的。A、过热器B、省煤器C、空气预热器文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档

45、编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7

46、K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1

47、X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4

48、R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X

49、10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 Z

50、K7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9E3A3文档编码:CZ7K4J8F1X1 HT4R4U10X10G3 ZK7Q8T9