安装于机车上的机车信号与列车超速防护设备的导电部分与机车车体的绝缘电阻(切断电源),

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问题:

安装于机车上的机车信号与列车超速防护设备的导电部分与机车车体的绝缘电阻(切断电源),用500V兆欧表测试时,机车接收线圈与其外壳间的绝缘电阻不小于()。

A.1MΩ

B.0.2MΩ

C.25MΩ

D.10MΩ

考点:信号工考试铁路信号工铁路信号工题库
题型:单项选择题

根据所给要求,改写下列句子。每空格限填一词

小题1:The new product consists of four main parts inside. (改为一般疑问句)

_________ the new product __________ of four main parts inside?

小题2:Jessica solved the physics problems without any help. (保持句意基本不变)

Jessica _________ ___________ the physics problems without any help.

小题3:Susan followed Ben's advice to design smart shoes. (就划线部分提问)

__________ advice ___________ Susan follow to design smart shoes?

小题4:Lin Dan played badminton very well. He won the Thomas Cup again. (合并为一句)

Lin Dan played badminton well __________ _________ win the Thomas Cup again.

小题5:My students always share ideas in class. (改为被动语态)

Ideas _________ always _________ by my students in class.

小题6:Choose the perfect grapes only, or you won't be able to make the best wine. (保持句意基本不变)

You _________ be able to make the best wine _________ you choose the perfect grapes only.

小题7:"Is it the first boys-only school in the city?" asked a parent. (改为宾语从句)

A parent asked _______ it _________ the first boys-only school in the city.

题型:单项选择题

存款货币创造的主要条件是

A.信用制度的发展

B.企业向银行借款

C.利率市场化

D.非现金结算的广泛运用

E.汇率自由浮动

题型:单项选择题

门锁闭装置故障必要前提是()。

A.门处于关到位位置,电机要求锁死停止

B.门偏离关到位位置次数超过限定值

C.EDCU重新上电

D.检查门锁闭装置,紧急解锁开关接线是否松脱

题型:单项选择题

出让基金管理公司股权未满5年的机构,中国证监会不受理其设立基金管理公司或受让基金管理公司股权的申请。( )

题型:单项选择题

中景是()的基础。

A、电影

B、电视

C、电影和电视

D、摄影

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