[单选题]产妇中药熏蒸的适宜温度为(　　)-我要搜题网

[多选题]当回路中未装断路器时可用隔离开关进行（）操作。
A.开、合电压互感器和避雷器
B.开、合母线和直接接在母线上的设备的电容电流
C.开、合变压器中性点的接地线(当中性点上接有消弧线圈时，只有在电力系统没有接地故障的情况下才可进行)
D.用室外三联隔离开关开、合10kV及以下、电流不超过15A的负荷
E.开、合电压10kV及以下、电流不超过70A的环路均衡电流

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[判断题]水利水电工程升压变电电气设备油侵式、气体绝缘互感器安装质量评定检验项目本体安装质量要求中零序电流互感器的构架或其他导磁体不与互感器铁芯直接接触,或不与其构成磁回路分支。
A.正确
B.错误

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[单选题]LBB30211 严格控制互感器的真空干燥处理,器身干燥处理三要素是指( )。
A.真空度、温度、时间;
B.湿度、压力、温度;
C.绝缘、介质、温度;
D.真空度、压力、时间。

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[单项选择]
Part A
Directions:
Read the following four texts. Answer the questions below each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1.
Text 1

In most parts of the world, climate change is a worrying subject. Not so in California. At a recent gathering of green luminaries—in a film star’s house, naturally, for that is how seriousness is often established in Los Angeles—the dominant note was self-satisfaction at what the state has already achieved. And perhaps nobody is more complacent than Arnold Schwarzenegger. Unlike A1 Gore, a presidential candidate turned prophet of environmental doom, California’s governor sounds cheerful when talking about climate change. As well he might: it has made his political career.
Although California has long been an environmentally-conscious state, until recently gre
A. carbon reduction in both fuel production and burning might be hard.
B. California also intends to cut down emissions from new vehicles.
C. it is almost impossible for vehicle fuel to produce 10% less carbon.
D. California’s corns are chiefly transported by cars and trucks.

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[判断题]从各相首端引出的导线叫相线，俗称火线。（）
A.正确
B.错误

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[单选题]下列关于高压阀型避雷器特点描述正确的是()。(　　)
A.串联的火花间隙和阀片多,而且随电压的升高数量增多
B.并联的火花间隙和阀片少,而且随电压的升高数量增多
C.串联的火花间隙和阀片少,而且随电压的升高数量减小

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[单选题]46接入网管理方面则经(????? )与电信管理网（TMN）相连。
A.A、UNI
B.B、SNI
C.C、Q3
D.D、Z接口

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[填空题]桥跨结构形式，是指采用何种结构形式的桥型。一般有（）、拱式桥、刚架桥、斜拉桥、悬索桥等。

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[判断题]为了减少碳棒的烧损,压缩空气的流量必须很大。
A.正确
B.错误

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[单选题]产妇中药熏蒸的适宜温度为(　　)
A.45℃-50℃
B.40℃-45℃
C.30℃-35℃
D.40℃-42℃
E. 33℃-37℃

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[单选题]产妇中药熏蒸的适宜温度为( )A.45℃-50℃B.40℃-45℃C.30℃-35℃D.40℃-42℃E. 33℃-37℃

热门试题:

[单选题]产妇中药熏蒸的适宜温度为(　　)
A.45℃-50℃
B.40℃-45℃
C.30℃-35℃
D.40℃-42℃
E. 33℃-37℃