【填空题】
69.DC600V供电列车本车行车安全监测装置为___行车监控,安装于乘务室的监控相内。___
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70.DC600V供电列车车厢集便箱电伴热供电电源制式为___供电。___
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71.客车电气综合控制柜触摸屏锂电池在25℃的环境温度下使用触摸屏,电池使用寿命大约为___。___
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72.KCL40C-1T1型空调控制柜的热继电器设定值FR1为___A,FR4、FR5为4A。___
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73.DC600V供电客车水位显示仪供电电源为___。___
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74.DC600V供电客车塞拉门电伴热采用的供电电源为___。___
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75.DC600V供电客车塞拉门电伴热采用的空气开关为___式。___
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76.DC600V供电客车当电路过载或___动作后,要查明原因排除故障后再通电。___
【填空题】
77.DC600V供电客车综合控制柜是集电源转换控制、___、蓄电池欠压保护控制、照明控制等功能单元为一体的智能型综合控制柜。___
【填空题】
78.DC600V供电客车综合控制柜的控制核心是___。___
【填空题】
79.DC600V供电客车综合控制柜实现了小型化、智能化、___和系统化。___
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80.DC600V供电客车综合控制柜控制方案以自动为主,同时考虑系统故障的应急措施,包括极端情况下的___。___
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81.DC600V供电客车的DC110V电源全列贯通,各车厢蓄电池及充电器通过___与干线并联。___
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82.DC600V供电客车蓄电池组欠压保护动作值为___V,恢复值为97±1V。___
【填空题】
83.单元式空调机组及控制柜大修为___年。___
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84.造成客车行车与___系统全列网络中断的客车,不准编入25T型客车编组的列车。___
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85.DC600V供电客车DC110V转DC24V电源模块向PLC、网关、触摸屏、___供电。___
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89.DC600V供电客车的___是联结列车网和车厢网的桥梁。___
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【填空题】
91.DC600V供电客车触摸屏正常运行状态每隔___min记录一次车厢的运行电气参数。___
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93.DC600V供电客车逆变器启动方式为___。___)
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94.客车逆变器启动不实行___的方式称为强迫启动或突投。___
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95.三极管放大电路共有三种类型;___;共集电极电路;共基极电路。___
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96.DC600V供电列车的DC110V电力连接器采用___结构,容量为130A。___
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97.DC600V供电列车客车干线容量为___,选用的电压等级为750V。___
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98.DC600V供电列车的网络不但能实现全列监控,还能实现全列___。___
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99.25T型车的行车安全监测系统包括KAX型行车安全监测系统和___系统。___
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100.25T型客车带___的轴端轴温,超过外温43℃时,观察运行;外温+60℃或绝对温度超过90℃,应停车检查。___
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101.半导体是指导电能力介于导体和___之间的物体。___
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102.使用___前,应先将表进行开路和短路测试,检查是否良好。___
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103.把发电机三个绕组的___接在一起,自三个始端引出三根相线向外送电,这种方式叫三相电源的星形连接。___
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When using "Cluster resource percentage" for host failover capacity in vSphere HA Admission Control, the total resource requirements are calculated from which two values? (Choose two.)___
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Which two permissions are required to migrate a virtual machine with Storage vMotion? (Choose two.)___
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Which are three supported storage requirements for vCenter Server HA? (Choose three.)___
A. NFS
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C. vSAN
D. VMFS
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Which are the two network requirements for a VMware vSAN 6.5 cluster? (Choose two.)___
A. Multicast must be enabled on the physical switches and routers that handle vSAN traffic.
B. vSAN requires IPv6 only.
C. All hosts must have a dedicated 40GbE NIC.
D. The vSAN network supported IPv4 or IPv6.
E. vSAN requires IPv4 only.
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Which three prerequisites must be in place prior to enabling secure boot for a virtual machine? (Choose three.)___
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