何谓厂用电动机的自启动?为什么要进行电动机的自启动校验?如果厂用变压器的容量小于自启

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问题:

何谓厂用电动机的自启动?为什么要进行电动机的自启动校验?如果厂用变压器的容量小于自启动电动机总容量时,应该如何解决?

考点:电气专工试题电气专工试题题库
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.

第二节  完形填空 ( 共20小题;每小题1.5分,满分30分)

阅读下面短文,从短文后各题所给的四个选项(A  B  C  D)中选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

The animals were all awakened by the same loud sound. It sound like a(n)_____.Deep in the woods they could see a figure holding a long narrow object . In the past in most _____it meant that danger was near._____there was something different about the figure this time .Suddenly the figure fell to the ground. A deer , named Sheena, moved______. Finally she could see that_____was the forest ranger (护林者). Soon she noticed that his right foot was ______in a beer trap(夹子)。Sheena then attempted to release his foot______the trap

.Later he opened his eyes.Their presence did not_____him. At this______he felt that he needed their help______anything else. Sheena and other animals began dragging the ranger toward the ranger’s cabin(小木屋). The ranger was______.It was almost as if the animals could ______-his mind.

As they______the cabin , the animals began to cry for_____.When the door of the cabin began to open, the animals ran back into the forest. The animals all____from a distance as the ranger was taken into the_____-for care. The ranger told his fellow that while he was ____in the forest, he stepped into a bear trap . He add that while rescuing _____,he shot himself in the shoulder accidentally and ______the animals saved his life .The fellow thought that he must have injured his head and was _______the animals rescue.

36.  A .whistle    B gunshou      C. explosion    D.crack

37.  A. places     B times        C.cases        D.conditions

38.  A.And       B. So          C.Because     D.But

39.  A. close      B.far          C.backwards   D. forwards

40.  A.it         B.he           C.she         D. one

41.  A.set        B.placed        C.stuck       D.wrapped

42   A of        B.beyond        C.from       D.onto

43.  A.frighten    B.disappoint     C.delight      D.excite

44.  A.place      B.point          C.present     D.situation

45.  A.less than   B.more than      C.better than   D.worse than

46.  A.frightened  B.worried        C.anxious     D.shocked

47.  A.hear       B,speak          C.write       D.read

48.  A approached  B,left            C.moved     D.entered

49.  A.food       B.clothes         C.help       D.medicine

50.  A.listened    B. wached        C. talked      D.shouted

51.  A.woods     B.cabin          C.hospital     D.bed

52.  A.wandering   B.waching     C.hunting     D.checking

53.  A.a deer       B. an animals   C.a child     D.himself

54.  A.why        B.when        C.where      D.how

55.  A.imagining   B. expecting    C.remembering D.considering

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2013年12月6日,广州市政府在其相关网站上对在福山循环经济产业园内规划建设垃圾焚烧厂地块控规进行公示,面向社会公众征求意见。

公示说明,到2020年广州中心城区焚烧+厨余处理设施规模达12200吨/日,而生活垃圾收运量仅约10700吨/日;为解决日益严重的“垃圾围城”问题,广州规划将在郊区建6个垃圾焚烧厂。其中广州东部固废资源再生中心位于萝岗区九龙镇福山村北面约600米,谭洞村西北面约800米,用地规模近10万平方米(1493亩),根据规划,该园区将分为固体资源热能利用区、固体资源生物能利用区、固体资源材料利用区、应急填埋区等功能区域,建成后将处理各类废物10000吨/日。

(1)作为广州市萝岗区的居民,请你对此公示项目向广州市政府发表反馈意见。(5分)

(2)请结合此事,运用参与政治生活的知识,说明如何才能行使好公民的政治权利。(8分)

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两性霉素B可用于()

A.细菌性骨髓炎

B.真菌性肺炎

C.梅毒感染

D.军团菌病

E.烧伤创面感染

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台湾岛位于()

A.亚欧板块与太平洋板块的生长边界

B.亚欧板块与太平洋板块的消亡边界

C.亚欧板块与印度洋板块的生长边界

D.亚欧板块与印度洋板志的消亡边界

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根据红皮书的计算机安全系统评价准则,下面属于C2级安全准则的操作系统是 (24)
Ⅰ.DOS Ⅱ.WINDOWS 95 Ⅲ.WINDOWS 98
Ⅳ.Unix Ⅴ.Windows NT Ⅵ.Novell 3.x或更高版本

A.Ⅰ、Ⅱ、Ⅴ、Ⅵ

B.Ⅳ、Ⅴ、Ⅵ

C.Ⅰ Ⅰ、Ⅱ、Ⅲ

D.Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ

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