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【判断题】
列车在曲线上运行时,机车、车辆在离心力的作用下,轮缘与轨头内侧的摩擦增加。
A. 对
B. 错
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A
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加装了切控阀的客运机车,其制动缸压力与制动管减压量的关系为:制动缸压力=1×制动管减压量。
A. 对
B. 错
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货物列车起动前压缩一部分车辆的车钩,发车时使列车中的车辆逐辆起动,再加上各车钩缓冲弹簧的伸张力,就会使列车起动变得顺利、轻便。
A. 对
B. 错
【判断题】
货物列车压缩车钩后,在机车加载前,可缓解机车制动。
A. 对
B. 错
【判断题】
凡是不压缩车钩能够起动的,不一定要强调压缩车钩。
A. 对
B. 错
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列车施行常用制动时,单阀缓解机车制动,每次不得超过10kPa。
A. 对
B. 错
【判断题】
列车施行常用制动时,自阀减压排风未停止,不应追加减压或缓解列车制动。
A. 对
B. 错
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禁止在自阀制动保压后,将自阀手柄从制动区或保压位移向运转位(或缓解位、保持位)后,又移回制动区或保压位(牵引带有阶段缓解装置的列车除外)。
A. 对
B. 错
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使用机车动力制动,在需要缓解时,应先解除动力制动,再缓解空气制动。
A. 对
B. 错
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双机(或多机)牵引使用动力制动时,前部机车使用后,再通知后部机车依次使用;解除动力制动时,根据前部机车的通知,后部机车先解除,前部机车后解除动力制动。
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B. 错
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在正常情况下,非操纵端控制电路的各开关均应置于断开位,锁闭琴键开关,取出自阀、单阀手柄。
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设有双端司机室的机车,司机必须在运行方向前方司机室操纵。
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施行紧急制动时,要及时解除机车牵引力。
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列车在长大下坡道运行时,应遵循动力制动为主,空气制动为辅的原则。
A. 对
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列车在隧道区段运行时,运行条件差,瞭望困难,内燃机车柴油机燃烧状态不良,功率不能正常发挥,油耗增加。
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【判断题】
为防止列车断钩,运行途中制动调速,严禁未排完风施行缓解,列车未完全缓解就加速。
A. 对
B. 错
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为防止列车断钩,运行途中货物列车惰力运行后,再加速不得过快,避免车钩拉伸过猛。
A. 对
B. 错
【判断题】
为防止列车断钩,进站停车时货物列车要防止低速缓解、二次制动。
A. 对
B. 错
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列车制动减压排风未完成时不应再次追加。
A. 对
B. 错
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一次追加减压量超过初次减压量,会使列车制动力急剧增加,不利于平稳操纵。
A. 对
B. 错
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电空制动机以电作为动力来源。
A. 对
B. 错
【判断题】
电空制动机的最大优点是全列车能迅速实现制动和缓解作用,且列车前、后动作一致性好,适用于高速旅客列车和长大货物列车。
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在我国铁路车辆上均装有手动制动机,用于空气制动机故障时以及调车作业、坡道停留时的制动。
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B. 错
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制动盘装在车轴上的叫轴盘式盘形制动基础制动装置。
A. 对
B. 错
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在坡道上停留时间较长时,为防止空气制动机因制动缸漏泄发生自然缓解,还应拧紧手制动机。
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折角塞门用来开通或遮断制动主管与制动软管之间的空气通路。
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总风管既是一根压力空气输送管,也是一根传递列车制动、保压和缓解指令的控制管。
A. 对
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截断塞门关闭的车辆(简称“关门车”)无空气制动作用。编入列车的关门车数以及关门车在列车中所处位置限制须符合《技规》规定。
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空气波是属于一种振动波,具有波的性质。空气波的传播速度称为空气波速。
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B. 错
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制动作用或缓解作用沿列车长度方向的传播速度分别称为“制动波速”或“缓解波速”。
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禁止正在对IC卡读写操作时拔卡。
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B. 错
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在无线灯显调车时,自收到紧急停车信号后,如速度不为零则常用制动。
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B. 错
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在无线灯显调车时,信号与口令不符时应立即停车。
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LKJ-2000运行监控记录装置,参数设定操作,在机车运行或停车时均可操作。
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LKJ-2000型监控记录装置,对制动机实验操作,装置均一一记录。
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LKJ-2000运行监控记录装置只有在降级状态下,[开车]键才能起作用。
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LKJ-2000运行监控记录装置机车越过信号机时距离显示仍有余值,经过一段距离后才显示O,这种零显示出现在信号位置之后的过机误差称为滞后误差。
A. 对
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监控装置启动停车模式时,不允许使用“向前”键进行车位调整。
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