【判断题】
在机车小、辅修开工前12h内应将“机统一28”送交检修车间。
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机车小、辖謦对接到“机统一6”的报活应及时签认修理。
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行修组接至U”机统--28”的报活后，应及时签认修理。
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行修组接到“巍统1_6”的报活单，但所报活件属乘务员自检自修范围内的活件，行修组可不签修。
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机车及部件莳j常检修要严格执行检修工艺。
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中修段就根据局下达的中修任务，于每月开始前15大编出中修施工月计划。
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59·当年机车临鉴登记簿，应保存到下年度的2月份或保存到当年最后一台临修车的下一个辅修后方可销毁：
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当年机车碎謦统计簿，年末最后一天销毁。
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对于‘TSG3—630／25型受电弓，通过调整快排阀调节螺钉，改变快排阀弹簧的压缩量，从而调整快排的时间长短，改变降弓时间。
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’FSG3—630／25型受电弓弓头的调整包括弓头平衡的调整和弹簧盒的调整。
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’rSG3-630／25型受电弓的静态接触压力偏大，导致接触导线和滑板的电磨损增加。
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’rSG3．630／25型受电弓的静态接触压力偏小，机械磨损增加。
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’rSG3—630／25型受电弓滑板在工作高度范围内，对接触网导线的压力称为受电弓的动态接触压力。
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’rSG3．630／25型受电弓升弓过程具有先快后慢的特点，即升弓时滑板离开底架要快，贴近接触导线要慢，以防弹跳。
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’rSG3．630／25型单臂受电弓解体时，顺时针旋转螺杆，松开升弓弹簧紧固螺母以消除弹簧张力拆卸所有关节部位的分流线。
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’YSGl—600125型受电弓在最大气压下，滑板应能顺利上升至最大高度而无呆滞现象，且传动风缸杆不得有抖动。
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’rSG3-630／25型受电弓，通过调整节流阀调节螺钉来初步调整升弓时间。
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’rSG3．630／25型受电弓降弓过程具有先快后慢的特点，即降弓时滑板脱离接触导线要快，落在底架上要慢。
【判断题】
调整’rSGl—600125型受电弓的静态接触压力，若弓头在工作高度的下限段不能停留，则调整调整螺栓，改变弧形调整板的倾角。
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高压连接器的主要功能是在两节机车进行连挂时，手动连接两节机车车顶的25 kV 高压电路。
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空气断路器具有结构简单、工作可靠、分断容量大、动作速度快、绝缘强度高、整 机检修工作量小等诸多优点。
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真空断路器具有结构简单、工作可靠、分断容量大、动作速度快、绝缘强度高、整 机检修工作量小等诸多优点。
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熔丝在正常短时过电流情况下，也应熔断。
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将电气制动产生的电能利用电阻使之转化为热能消耗掉，称之为再生制动。
【判断题】
SS3型、554型、SS8型电力机车均采用再生制动。
【判断题】
SS9型电力机车电流制为三相交流50 Hz。
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电力机车接地继电器须采用人工手动恢复。
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自动开关在轻微过载时，也能得到有效地保护。
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自动开关可用于频繁地接通和断开的电路。
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主断路器是用来接通或开断电力机车电路的。
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高压绝缘材料中夹有气泡，运行中易使整个绝缘材料损坏。
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导线接头接触不良往往是电气事故的根源。
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甲、乙两电炉额定电压都是220 V，但甲的功率是l 000 w，乙的功率是2 000 W， 其中乙电炉的电阻较大。
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正弦电流或正弦电压是交流电的一种特殊情形。
【判断题】
单相电能表的额定电压一般为220V、380V、660V三种。
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___This is Mr Smith speaking now.
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A. Certainly
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A. Me too
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___ is your girl friend like? She is very kind and good-looking.
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He ___ driving me home, even though I told him I lived nearby.
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We came finally ___the conclusion that she has been telling lies all the time.
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I won’t make the___mistake next time.
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A pair of spectacles ___ what I need at the moment.
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