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【填空题】
177.[31757)集中供电空调列车,库内停留期间须使用___进行检修。
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相关试题
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178.[31758)集中供电空调列车,库内停留期间须使用___进行检修。
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179.[31759)图样中零件要素的线性尺寸与实际零件相应要素的线性尺寸之比称为___。
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180.[31760)机械图样中的尺寸,以___为单位时,不需标注计量单位的代号或名称。
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181.[31761)按剖切范围的大小,剖视可分为___半剖视图和局部剖视图。
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182.[31762)零件图是根据零件的形状画出的___。
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183.[31763)计算机辅助设计的英文缩写是___。
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184.[31764)因特网采用的协议是___ 。
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185.[31765)客车运行安全监控系统___由___和地面设备两大部分组成。
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186.[31766)康明斯发电车柴油机调速控制箱中的水温表等采用正交仪表,其后部的三个接线柱符号为S、I、G,其中G应接___。
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187.[31767)康明斯发电车柴油机调速控制箱中的水温表等采用正交仪表,其后部的三个接线柱符号为S、I、G,其中S应接___。
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188.[31768)康明斯发电车调整控制箱内的超速保护板中,发动机怠速时三个指示灯情况为STOPCRANK亮、PARALLELING灭、OVERSPEED___。
【填空题】
189.[31769)康明斯发电调速控制箱面板中,SPEEDADJUST能调整柴油机的___。
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190.[31770)柴油机与发电机___会造成柴油机振动大。
【填空题】
191.[31771)柴油机安装基础不牢固会造成柴油机___大。
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192.[31772)装配时扭矩___,产生内应力使柴油机连杆螺栓折断。
【填空题】
193.[31773)连杆瓦___,由烧瓦而引起连杆螺栓变形折断。
【填空题】
194.[31774)1FC5发电机电压显示在432~456 v之间。把AVRl.5脚用线短接后,电压低于350 V,说明AVR___。
【填空题】
195.[31775)1FC5发电机的T4、T5断开断开会造成输出电压___。
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196.[31776)当发电机在额定转速电压低于额定值,可以根据发电机的空载特性曲线,区分故障部位在转子部分还是在___。
【填空题】
197.[31777)若在发电机的空载特性曲线上,说明转子部分正常,故障部位在___。
【填空题】
198.[31778)检查电动输油泵无渗漏,接线无老化、过热、___,接线盒无破损现象。
【填空题】
199.[31779)检查电动输油泵联轴器并转动,电机应自如,不得___。
【填空题】
200.[31780)处理手动输油泵故障后要求泵油___,机械部位无卡死,无异音现象。
【填空题】
201.[31781)处理燃油管路故障后要求各接头___、无漏油,各阀门开闭方向应统一,开闭到位。
【填空题】
202.[31782)冬季发电车用柴油必须使用___的牌号。
【填空题】
203.[31783)对燃油滤清器管路堵塞情况,可用___从上油箱油阀直接拨接至燃油滤清器进油口位置。
【填空题】
204.[31784)康明斯发电车所使用的1FC5356发电机定子绕组高温报警温度为___。
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205.[31785)KTA19- G2柴油机发生超速,迅速将停机开关打到___位。如仍不能停机时,关闭进油阀或拆开PT泵的进油金属软管接头。
【填空题】
206.[31786)MTU柴油机发生超速应迅速按下紧急停机开关,关闭应急停机风门,切断油路___电源。如仍不能停机时,也可拆开双联并列过滤器上两根出油管接头,或手动关闭应急停机风门。
【填空题】
207.[31787)逆功率继电器在每次___以后必须检查。
【填空题】
208.[31788)MTU8V396柴油机安装喷油器的保持螺母,用扭力扳手拧紧至___。
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209.[31789)连杆螺栓折断的原因有连杆螺栓装配时___过大或过小。
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210.[31790)在发电车上柴油机附属进气装置采用的就是___。
【填空题】
211.[31791)在柴油机的排气管道中应安装___,以减小柴油机排气的声响。
【填空题】
212.[31792)发电车上安装有储备机油用的___和机油输送泵,其作用是储备机油和给机组加油提供方便。
【填空题】
213.[31793)检查机油泵作用良好,电机引线无老化,电机绕组绝缘大于___ 。
【填空题】
214.[31794)电力、集控连接器密封胶圈破损、老化者___。
【填空题】
215.[31795)电力、集控连接器插销、插孔无烧损氧化,___无热损、破损。
【填空题】
216.[31796)外接电源箱体内外除尘,密封胶条___。
【填空题】
217.[31797)检查外接电源箱内熔断器___符合图纸要求。
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【单选题】
( ) 34. Why did the father not ask his son not to do this and do that?    A.Because he felt quite confident of his son.    B.Because he was born from a poor family.    C.Because he was a man of few words.    D.Because he didn't want to be much too strict with his son.
A. A
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【单选题】
( ) 35. What would someone learn from this passage?    A.How to live by oneself. B.How to stand on one's own feet.    C.What a good father should do. D.What the self-important is like.
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( ) 36. What may be the proper Chinese for the underlined part in the passage?    A.闲暇时光 B.学费 C.精神空虚 D.经济不足
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( ) 37. The Chinese Yellow Sea Wetlands are in the _______ of China.    A.south           B.east    C.west            D.north
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( ) 40. We must protect wetlands because _______. A.they are home for wildlife   B.they can prevent flood    C.they can offer food to the animals and birds D.all of the above
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