有载调压变压器在改变抽头时一般会发生哪些异常?如何处理?

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问题:

有载调压变压器在改变抽头时一般会发生哪些异常?如何处理?

考点:电厂全能值班员考试电厂全能值班员考试题库
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阅读短文,判断正(T)误(F)。

Dear Mike,

      How are you? My brother and I are having a happy holiday. Yesterday we went to the nature park. We

went there by car. We sang and danced. And we ate lunch there. The food was very delicious. In the afternoon,

we went shopping. I was very tired. We are going to learn many other things during the holiday. We are sure

we'll have fun. What about your holiday? Please tell me.

                                         Love,

                                         Amy

( ) 1. Amy and her brother are having a happy holiday.

( ) 2. They went to the nature park by bus.

( ) 3. They went shopping.

( ) 4. Amy wasn't tired. Because she was happy.

题型:问答题 简答题

修一条路,如果每天修120米,8天可以修完;如果每天修150米,几天可以修完?(用比例方法解)

题型:问答题 简答题

女,12岁,发热2周,1周来右膝关节、左踝关节相继红肿痛并有活动障碍,心尖部有Ⅱ级BSM,末梢血白细胞15×109/L,N80%,HB120g/L,PLT156×109/L。

为巩固疗效,预防复发,下列正确的是()

A.手术根治先心病

B.长期用最低有效量阿司匹林

C.用长效青霉素5天

D.用青霉素持续2周

E.治愈后无需再用药

F.长效青霉素预防注射至少5年

G.青霉素过敏改红霉素口服

题型:问答题 简答题

2013年3月22日至30日,习 * * * * 对俄罗斯、坦桑尼亚、南非、刚果共和国进行国事访问并出席金砖国家领导人第五次会晤。一次次演讲、一场场会谈、一份份合作协议……习 * * 的首访之旅,传承友谊、深化合作、共谋发展。这向世界表明(   )

①中国坚持对外开放的基本国策 

②各国之间只有合作没有竞争 

③中国致力于推动世界的和平与发展 

④中国是一个和平、合作、负责任的大国

A.①②④

B.①②③

C.②③④

D.①③④

题型:问答题 简答题

由于铁路运输企业的原因造成旅客不能按照车票载明的日期、车次乘车的,铁路运输企业可以安排旅客改乘列车,并收取规定的签证费用。

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