【判断题】
虽然柴油机的紧急停车不会影响柴油机使用寿命,也不宜无故按动紧急停车按钮
A. 对
B. 错
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答案
B
解析
暂无解析
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增压器进气道帆布过松,会造成柴油机的增压器喘振
A. 对
B. 错
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柴油机负荷时间过长,是造成水温高的原因之一
A. 对
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柴油机油、水温度低是造成柴油机敲缸的原因之一
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致使机油乳化的原因,主要是机油内含水量较高
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由于喷油器雾化不良,燃油系统有空气,活塞刮油环反装或刮油性能差,均会导致柴油机冒黑烟
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当柴油机冷却水温度超过88℃时,水温继电器动作,通过中间继电器2ZJ的作用,柴油机卸载
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A. 对
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回拉手柄时引起柴油机过载的原因是增、减载针阀开度过小
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在正常情况下,联合调节器内的最高转速止钉丢失时,不会造成飞车事故
A. 对
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主机油泵出口压力为550kPa时,调整阀开启压力为550kPa
A. 对
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【判断题】
柴油机在空转时转速正常,加载时转速不正常时,多为喷油泵故障或供油齿条卡滞
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柴油机润滑间隙过大或过小,同样会造成轴颈或轴瓦的拉伤
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一个二极管被击穿短路后,1RD将首先熔断,有时出会出现2RD同时熔断现象
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感应子牵引励磁机的感应电动势是由定子上的电枢绕组产生并输出的
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机车运转方式也叫机车运转制或机车周转方式,就是机车在交路上担当任务,往返行驶于机务段与折返(机务)段之间的运行方式
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