首页/ 题库 / [单选题]电力系统发生故障时,由故障设备(或线路)的答案

电力系统发生故障时,由故障设备(或线路)的保护首先切除故障,是继电保护( )的要求

单选题
2021-09-01 20:45
A、速动性
B、选择性
C、可靠性
D、灵敏性
查看答案

正确答案
B

试题解析

相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

电力系统发生故障时,由故障设备(或线路)的保护首先切除故障,是继电保护( )的要求
微机高频保护装置,当发生单相接地故障时,由()保护动作去跳闸。
当系统显示出错信息:Bad command or file name时,应从()方面进行检查。
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss,damage or delay has been caused by the improper or negligent stowage of the goods.This means that().
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
电力系统发生短路故障时,继电强行励磁装置()带时限继电保护装置的灵敏度。
()shall be liable for loss of and damage to the Vessel and/or goods arising or resulting from inaccuracies in stating the description,quantity,weight,measurement or contents.
输出继电器(OR)通过一对()触点将PLC的控制信号传递给负载。
电力系统发生短路故障时,继电保护必须迅速切除故障,保证()部分继续运行。
Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo,without the authorization or privity of the Shipowner or his agent,is().
广告位招租WX:84302438

免费的网站请分享给朋友吧