【判断题】
(32303)柴油机的燃油滤清器的作用是清除燃油中的机械杂质及水分。(1.0分)
A. 对
B. 错
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相关试题
【判断题】
(32304)空气滤清器主要是过滤进入柴油机燃烧室中的杂质,减少杂质对柴油机各部分的磨损。(1.0分)
A. 对
B. 错
【判断题】
(32305)柴油机的中间冷却器主要作用是降低进入燃烧室的气体温度。(1.0分)
A. 对
B. 错
【判断题】
(32306)柴油机的排气管要求直径大、管壁要光滑、转弯次数要多,并能定期清除杂质和积碳。(1.0分)
A. 对
B. 错
【判断题】
(32307)柴油机的消声器主要功能是排出废气通道,同时消除噪音。(1.0分)
A. 对
B. 错
【判断题】
(32308)柴油机的中间冷却器是用来降低冷却水的温度的。(1.0分)
A. 对
B. 错
【判断题】
(32309)柴油机的中间冷却器属于柴油机的冷却系统,主要作用是将柴油机工作时的热量通过水介质散发到大气中。(1.0分)
A. 对
B. 错
【判断题】
(32310)压力润滑是必须通过机油泵把机油提高一定的压力,再输送到柴油机各摩擦表面进行润滑。(1.0分)
A. 对
B. 错
【判断题】
(32311)MTU12V183TA12柴油机的润滑方式主要是压力润滑和飞溅润滑。(1.0分)
A. 对
B. 错
【判断题】
(32312)(1.0分)
A. 对
B. 错
【判断题】
(32313)柴油机冷却系统的作用是将燃油在燃烧室内燃烧产生大量的热量带出并散发到大气中。(1.0分)
A. 对
B. 错
【判断题】
(32314)柴油机的冷却系统的冷却介质是空气、机油或水。(1.0分)
A. 对
B. 错
【判断题】
(32315)所有柴油机的冷却系统都必须装有循环水泵。(1.0分)
A. 对
B. 错
【判断题】
(32316)散热器是将冷却水从受热零件吸收的热量传给空气,然后散到大气中去,以降低冷却水的温度。(1.0分)
A. 对
B. 错
【判断题】
(32317)所有柴油机的正常启动,都安装有电启动装置。(1.0分)
A. 对
B. 错
【判断题】
(32318)柴油机的电启动装置的启动电机,一般使用交流220V的电压。(1.0分)
A. 对
B. 错
【判断题】
(32319)电机是一种以磁场作为中间媒介的双向能量转换装置,当电机输出电能时,要消耗其他能源,当电机输出机械能时,要消耗电能。(1.0分)
A. 对
B. 错
【判断题】
(32320)变压器是一种静止电机。(1.0分)
A. 对
B. 错
【判断题】
(32321)同步发电机工作后,在定子和转子之间的气隙里便产生一个旋转磁场,这个旋转磁场就是发电机的主磁场。(1.0分)
A. 对
B. 错
【判断题】
(32322)发电车上安装的马拉松电机冷却出风方式是采用下出风方式,使发电机工作在干燥、清洁、通风好的环境中。(1.0分)
A. 对
B. 错
【判断题】
(32323)发电车上的马拉松电机只有一边安装轴承,缩短了电机长度,减轻了电机重量。(1.0分)
A. 对
B. 错
【判断题】
(32324)当发电车正常发电后,发电车的充电装置可同时给24V和48V蓄电池充电。(1.0分)
A. 对
B. 错
【判断题】
(32325)发电车的充电柜输入的是AC220V的三相交流电,经整流后,可给24V、48V两组蓄电池充电。(1.0分)
A. 对
B. 错
【判断题】
(32326)启动电源柜的作用是将48V蓄电池的电从车下引到配电室的控制屏内。(1.0分)
A. 对
B. 错
【判断题】
(32327)发电车48V蓄电池也可以用来启动柴油机,但必须改变其接线方式,使之输出24V的直流电。(1.0分)
A. 对
B. 错
【判断题】
(32328)发电车下油箱是两个独立的油箱,一个是主油箱,一个是备用油箱。(1.0分)
A. 对
B. 错
【判断题】
(32329)在发电车的下油箱外层包扎有保温材料,其主要目的是防止夏季外温过高,油箱发生自燃火患。(1.0分)
A. 对
B. 错
【判断题】
(32330)为了不使柴油机工作时产生的回油流回下油箱产生燃油外溢,所以下油箱始发前,不能将下油箱加满至100%。(1.0分)
A. 对
B. 错
【判断题】
(32331)发电车加足燃油后,可满足柴油机在75%的额定负荷时连续工作约40小时。(1.0分)
A. 对
B. 错
【判断题】
(32332)发电车的进排气装置是直接与车外大气相连的。(1.0分)
A. 对
B. 错
【判断题】
(32333)发电车的进气装置中装有旋风式过滤器,是对空气进行精过滤的。(1.0分)
A. 对
B. 错
【判断题】
(32334)发电车进行“B”级保养时,可直接将柴油机油底壳放油阀打开,将机油排出车外。(1.0分)
A. 对
B. 错
【判断题】
(32335)发电车柴油机在进行“B”级保养时,将油底壳机油放出后,通过沉淀后上面的机油,可重复加入柴油机内利用。(1.0分)
A. 对
B. 错
【判断题】
(32336)发电车的消防设施是由烟火报警器、灭火器、灭火毯、防毒面具、柴油发电机组的报警系统、门铃等组成。(1.0分)
A. 对
B. 错
【判断题】
(32337)火灾的探测是通过火灾发生时产生的各种物理和化学变化特征来探测火灾的。(1.0分)
A. 对
B. 错
【判断题】
(32338)烟火报警器遇有毒气一定能报警。(1.0分)
A. 对
B. 错
【判断题】
(32339)TCDS是客车运行安全监控系统的简称。(1.0分)
A. 对
B. 错
【判断题】
(32340)TCDS包含了无线通讯、网络、计算机、发电、内燃等技术,涉及铁路车辆、电务、信息等管理部门。(1.0分)
A. 对
B. 错
【判断题】
(32341)TCDS由车载信息无线传输装置和地面设备两大部分组成。(1.0分)
A. 对
B. 错
【判断题】
(32342)TCDS监测数据由车载监测设备产生,包括两类数据:实时监控数据和下载过程数据。(1.0分)
A. 对
B. 错
【判断题】
(32343)接触器是一种用于频繁接通、断开电路及大容量控制电路的自动切换电器。(1.0分)
A. 对
B. 错
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