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【判断题】
(30600 )安装EFC电子调速器的转速传感器时,先将传感器拧入碰到飞轮再拧回1/2至3/4圈。
A. 对
B. 错
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相关试题
【判断题】
(30601 )目前所有康明斯发电车的冷却风机自动位时均为85 ℃启动,65 ℃停止。
A. 对
B. 错
【判断题】
(30602 )φ(75±0.06)的基本偏差是±0.06 mm,尺寸公差为0.06 mm。
A. 对
B. 错
【判断题】
(30603 )相互配合的孔和轴,其基本尺寸必须相等。
A. 对
B. 错
【判断题】
(30604 )机械制图中,比例2∶1属于缩小比例。
A. 对
B. 错
【判断题】
(30605 )形位公差带的方向是指评定被测要素误差的方向。
A. 对
B. 错
【判断题】
(30606 )形位公差带的大小由给定的形位公差值t所确定。
A. 对
B. 错
【判断题】
(30607 )KTA-19G2柴油机进气门间隙为0.36 mm。
A. 对
B. 错
【判断题】
(30608 )KTA-19G2柴油机的排气门间隙为0.69 mm。
A. 对
B. 错
【判断题】
(30609 )KTA-19G2柴油机若进气门间隙调整偏大,将造成气门关闭不严。
A. 对
B. 错
【判断题】
(30610 )KTA-19G2柴油机若进气门间隙调整偏小,将造成气门开度不足。
A. 对
B. 错
【判断题】
(30611 )KTA-19G2柴油机喷油器柱塞行程若调整偏小,将可能造成气缸盖开裂。
A. 对
B. 错
【判断题】
(30612 )康明斯柴油机、MTU柴油机的喷油器都是在高压燃油作用下,顶开柱塞柴油才能喷入燃烧室中。
A. 对
B. 错
【判断题】
(30613 )KTA-19G2柴油机喷油器柱塞行程若调整偏大,将可能造成喷油器内燃油积炭。
A. 对
B. 错
【判断题】
(30614 )KTA-19G2柴油机喷油器喷油起始时间会随每循环供油量的多少而自动调节。
A. 对
B. 错
【判断题】
(30615 )柴油机供油提前角和喷油提前角是同一概念。
A. 对
B. 错
【判断题】
(30616 )用千分表法调整康明斯KTA-19G2柴油机喷油器柱塞行程时,若指示标志B对准最高点时,要调整2缸或5缸的柱塞行程。
A. 对
B. 错
【判断题】
(30617 )检测KTA-19G2型柴油机喷油嘴的针阀行程时,应选用千分表。
A. 对
B. 错
【判断题】
(30618 )KTA-19G2型柴油机上的冷却水温传感器是安装在水泵中的。
A. 对
B. 错
【判断题】
(30619 )KTA-19G2型柴油机中的水泵、机油泵都是利用离心力原理来升压的。
A. 对
B. 错
【判断题】
(30620 )对康明斯发电车柴油机而言,若停机时上油箱柴油进入油底壳,则可能的故障原因是电磁截流阀关闭不严。
A. 对
B. 错
【判断题】
(30621 )可能造成发电车KTA-19G2型柴油机游车的是上油箱缺油。
A. 对
B. 错
【判断题】
(30622 )运用客车质量鉴定条件中,发电车交流输油泵失效或直流、手动输油泵同时失效属C类故障。
A. 对
B. 错
【判断题】
(30623 )康明斯KTA-19G2柴油机中,高压柴油是在输油泵中产生的。
A. 对
B. 错
【判断题】
(30624 )柴油机调速器的作用就是在柴油机的负荷改变时,自动地改变输油泵的供油量来维持柴油机的稳定运转。
A. 对
B. 错
【判断题】
(30625 )机油冷却器内的冷却水温度最高。
A. 对
B. 错
【判断题】
(30626 )1FC5356发电机的AVR只能增大原励磁系统的励磁电流
A. 对
B. 错
【判断题】
(30627 )康明斯发电车所使用的1FC5356发电机采用可控相复励,其励磁电流由电压和电流两个分量合成,其中电压分量和电流分量分别由电抗器和电流互感器提供。
A. 对
B. 错
【判断题】
(30628 )蓄电池硫化后容量大幅度降低,启动时不能供给启动机足够的启动电流,甚至不能启动发动机。
A. 对
B. 错
【判断题】
(30629 )蓄电池在长期储存过程中若处于充电不足状态易硫化。
A. 对
B. 错
【判断题】
(30630 )热态气门间隙调整保养不属于康明斯KTA-19G2柴油机C级保养内容。
A. 对
B. 错
【判断题】
(30631 )康明斯KTA-19G2柴油机在C级保养时,需判断气缸上止点标志是在PT泵飞轮部件上。
A. 对
B. 错
【判断题】
(30632 )康明斯KTA-19G2柴油机中高水温预报警传感器的接线有3根。
A. 对
B. 错
【判断题】
(30633 )康明斯KTA-19G2柴油机中高水温停机报警传感器的接线有2根。
A. 对
B. 错
【判断题】
(30634 )康明斯发电车中,当柴油机水温高于90℃时,将发生高水温停机报警保护。
A. 对
B. 错
【判断题】
(30635 )运用客车质量鉴定条件中,发电车发电机超温报警属B类故障。
A. 对
B. 错
【判断题】
(30636 )发电车电气控制原理图中电压互感器文字符号用TA标志
A. 对
B. 错
【判断题】
(30637 )发电车电气控制原理图中电流互感器文字符号用TV标志。
A. 对
B. 错
【判断题】
(30638 )接线图中应标出配线用的各种导线的型号、规格、截面积及颜色要求。
A. 对
B. 错
【判断题】
(30639 )接线图中,所有电气元件及其引线应标注与电器原理图中相一致的文字符号及接线号。
A. 对
B. 错
【判断题】
(30640 )零件图尺寸标注时,如有必要,可标注成封闭尺寸链。
A. 对
B. 错
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