【判断题】
按照《公路机电系统维护技术指南》（交公便字[2005]330号）要求，通信系统光、电缆设备年完好率不低于98%。
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相关试题
【单选题】
河南省农村信用社微信银行的微信公众号是___
A. hnnx
B. 96288
C. hnnx96288
D. 96288hnnx
【单选题】
市郊联社目前开展的ETC业务分为哪几类___
A. 储值卡，借记卡
B. 储值卡，记账卡
C. 储值卡，信用卡
D. 借记卡，信用卡
【单选题】
ATM长款业务差错处理应在___个工作日内将款项上划至省联社资金清算中心
【单选题】
新版电子银行自助签约账户转账单笔限额是___元，日累计限额是（ ）元。( )
A. 0.5万，2万
B. 0.2万，0.5万
C. 5万，20万
D. 2万，5万
【单选题】
新版个人手机银行转账单笔限额是___元，日累计限额是（ ）元。( )
A. 5万，20万
B. 20万，200万
C. 20万，100万
D. 100万，500万
【单选题】
新版个人网银转账单笔限额是___元，日累计限额是（ ）元。( )
A. 5万，20万
B. 500万，2000万
C. 200万，5000万
D. 500万，5000万
【单选题】
河南省农村信用社手机银行中的无卡取款业务日累计限额（），每日可进行（）次无卡取款。___
A. 5000元，3次
B. 5000元，5次
C. 20000元，3次
D. 20000元，5次
【单选题】
市郊联社自助设备支持单笔取款最高额度为？___
A. 3000元
B. 5000元
C. 10000元
D. 20000元
【单选题】
— How are you, Bob?___
A. How are you?
B. I'm fine. Thank you.
C. How do you do?
D. Nice to meet you.
【单选题】
— Thanks for your help.___
A. My pleasure.
B. Never mind.
C. Quite right.
D. Don't thank me.
【单选题】
— Hello, my name is Charles Green, but ___ .
A. call my Charles
B. call me at
C. harles C. call me Charles
D. call Charles me
【单选题】
— ___, and how are you?
A. Don't mention it
B. Hm, not too bad
C. Thanks
D. Pretty fast
【单选题】
— I'm sorry. I am late due to the heavy traffic___
A. Well, it's OK.
B. No, it's all right.
C. You are welcome.
D. You are wrong.
【单选题】
— It's rather cold in here. Do you mind if I close the window?___
A. Yes, please.
B. No, please.
C. Sure, please.
D. I don't like it.
【单选题】
___He teaches physics in a school.
A. What does your father do?
B. Who is your father?
C. What is your father doing?
D. Where is your father now?
【单选题】
— Excuse me, how much is the jacket?___ It's 499 Yuan.
A. Oh, no. That's OK!
B. How do you like it?
C. Which do you prefer?
D. Would you like to try it on?
【单选题】
— Could you help me with my physics, please？___
A. No, no way.
B. No, I couldn't
C. No, I can't.
D. Sorry I can't. I have to go to a meeting right now.
【单选题】
— Could I speak to Don Watkins, please?___
A. Speaking, please.
B. Oh, how are you?
C. I'm listening.
D. I'm Don.
【单选题】
— Could I borrow your car for a few days?___
A. Yes, you may borrow.
B. Yes, go on.
C. Sure, here is the key. Enjoy your journey.
D. It doesn't matter.
【单选题】
— Thank you for inviting me.___
A. I really had a happy time.
B. Oh, it's too late.
C. Thank you for coming.
D. Oh, so slowly?
【单选题】
— May I see your tickets, please?___
A. Sure.
B. No, you can't.
C. No, they are mine.
D. Yes, you can.
【单选题】
— Please help yourself to the seafood.___
A. No, I can't.
B. Sorry, I can’t help.
C. Well, seafood don’t suit.
D. Well, I'm afraid I don't like seafood.
【单选题】
— Would you like to go to the concert with us this evening?___
A. No, I already have plans.
B. I'd love to, but I'm busy tonight
C. No, I really don't like being with you.
D. I'm ill, so I shouldn't go out.
【单选题】
— Congratulations! You won the first prize in today's speech contest.___
A. Yes, I beat the others.
B. No, no, I didn’t do it well.
C. Thank you.
D. It's a pleasure.
【单选题】
— Must I take a taxi? No, you___. You can take my car.
A. had better to
B. don't
C. must not
D. don't have to
【单选题】
— We are going to have a singing party tonight. Would you like to join us?___
A. I'm afraid not, because I have to go to an important meeting.
B. Of course not. I have no idea
C. No, I can’t.
D. That's all set
【单选题】
— How was your trip to London, Jane?___
A. Oh, wonderful indeed.
B. I went there alone.
C. The guide showed me the way.
D. By plane and by bus.
【单选题】
— Hey, Tom, what's up?___
A. Yes, definitely!
B. Oh, not much.
C. What is happening in your life?
D. You are lucky.
【单选题】
— Do you mind my smoking here?___
A. No, thanks.
B. Yes, I do.
C. Yes. I'd rather not.
D. Good idea.
【单选题】
— Did you know that David injured his leg yesterday?Really? ___
A. Who did that?
B. What's wrong with him?
C. How did that happen?
D. Why was he so careless?
【单选题】
— This box is too heavy for me to carry it upstairs.___
A. You may ask for help.
B. I'll give you a hand.
C. Please do me a favor.
D. I'd come to help.
【单选题】
— I wonder if I could use your computer tonight?___ I'm not using it right now.
A. Sure, here you are.
B. I don't know.
C. It doesn't matter.
D. Who cares?
【单选题】
— Excuse me, could you show me the way to the nearest post office?___ Oh yes! Two blocks away from here at the Green Avenue. You can’t miss it.
A. I beg your pardon?
B. What do you mean?
C. You’re welcome.
D. Um, let me think.
【单选题】
— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
A. Great, I am very art-conscious.
B. Don’t mention it.
C. Thanks for your compliments.
D. It's fine.
【单选题】
— Is it possible for you to work late tonight？___
A. I like it.
B. I'll do that.
C. I'd love to. .
D. I think so.
【单选题】
— Unbelievable! I have failed the driving test again!___ This is not the end of the world.
A. Good luck.
B.
C. heer up. C. Go ahead.
D. No problem.
【单选题】
Are you feeling better today, Jack?___
A. There must be something wrong.
B. Just have a good rest.
C. Yes, thank you, doctor. But I still don't feel good.
D. Don’t worry about me.
【单选题】
Thank you so much for your lovely gift.___
A. Never mind.
B. I'm glad you like it.
C. Please don't say so.
D. No, It's not so good.
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电路中由于电压、电流突变引起铁磁谐振时，电压互感器的高压侧熔断器不应熔断
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电压互感器的变比与其匝数比相比较，则变比等于匝数比
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为保护电压互感器的正常运行，必须在电压互感器的高、低侧均要装设熔断器
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电压互感器一、二次熔断器的保护范围是电压互感器内部故障
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两只电流互感器串联使用，此时电流变比将减小
【判断题】
电压互感器的二次侧采用b相接地的方式主要目的是简化接线，节省有关设备
【判断题】
电流互感器的误差与一次回路电流大小无关
【判断题】
电压互感器二次回路接近空载运行时，其误差最小
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频率的高低对电流互感器变比的误差影响较大
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电气设备短路时，电流的热效应有可能使设备烧毁及损坏绝缘
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电气设备短路时，巨大的电动力有可能使电气设备变形损坏
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当系统振荡或发生两相短路时，会有零序电压和零序电流出现
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当发生单相接地故障时，零序功率的方向可以看做以变压器中性点为电源向短路点扩散
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线圈额定电压高的交流接触器，当误接低电压时，线圈会烧坏
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无论是高压还是低压熔断器，熔断器内熔丝阻值越小越好
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保护压板投入前，应使用高内阻电压表测量压板两端无电压后，方可投入
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备用电源无电压时，备用电源自投装置不动作
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当保护、自动装置及二次回路继电器接点振动频繁，线圈过热冒烟应退出该保护及自动装置，汇报值长并通知继电保护人员处理
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当变压器轻瓦斯动作报警后，应立即将重瓦斯保护退出
