计算题:某异步电动机采用三角形连接,双层绕组,绕组匝数为12匝,实测得槽形面积A=2

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问题:

计算题:某异步电动机采用三角形连接,双层绕组,绕组匝数为12匝,实测得槽形面积A=282mm²,若采用高强度聚脂漆包圆铜线,求导线的规格和电机的容量?漆包圆线k=0.42—0.45)

考点:传染病学相关专业知识风湿与临床免疫学风湿与临床免疫学题库
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下列词语中加点字的读音完全相同的一项是

A.峻拔疏浚隽言妙语怙恶不悛

B.刊载下载怨声载道千载难逢

C.惬意书箧提纲挈领锲而不舍

D.汲取急躁岌岌可危掎角之势

题型:问答题 简答题
It was the district sports meet. My foot still hadn’t healed(痊愈) from a(n)_________(21) injury. I had_________(22) whether or not I should attend the meet. But there I was,__________(23) for the 3,000-metre run.
“Ready… set…”. The gun popped and we were off. The other girls rushed________(24) me. I felt_________(25) as I fell farther and farther behind.
“Hooray!” shouted the crowd. It was the loudest________(26) I had ever heard at a meet. The first-place runner was two laps(圈))ahead of me when she
crossed the finish line.
“Maybe I should________(27).” I thought as I moved on. _______(28), I
decided to to keep going. During the last two laps, I ran _______(29) and decided not to_______(30) in track next year.It wouldn’t be worth it, ______(31) my foot did heal.
When I finished, I heard a cheer--- ________(32) than the one I’d heard earlier. I turned around, _________(33) the boys were preparing for theirs.  “They must be cheering for the boys.”
I was leaving________(34) several girls came up to me. “Wow, you’ve got courage!” one of them told me.
“Courage? I just __________(35) a race!” I thought.
“I would have given up on the first lap,” said another girl. “We were cheering for you. Did you hear us?”
Suddenly I regained _________(36). I decided to ________(37) track next year. I realized strength and courage aren’t always__________(38) in medals and victories, but in the _________(39) we overcome. The strongest people are not always the people who win, _________(40) the people who don’t give up when they lose.
小题1:
A.slighterB.worseC.earlierD.heavier
小题2:
A.expectedB.supposedC.imaginedD.doubted
小题3:
A.lateB.eagerC.readyD.thirsty
小题4:
A.from behindB.ahead ofC.next toD.close to
小题5:
A.ashamedB.astonishedC.excitedD.frightened
小题6:.
A.cheerB.shoutC.cryD.noise
小题7:.
A.slow downB.drop outC.go onD.speed up
小题8:.
A.ThereforeB.OtherwiseC.BesidesD.However
小题9:.
A.with delightB.with fearC.in painD.in advance
小题10:.
A.playB.arriveC.raceD.attend
小题11:.
A.even ifB.only ifC.unlessD.until
小题12:
A.weakerB.longerC.lowerD.louder
小题13:
A.well enoughB.sure enough
C.surprising enoughD.strangely enough
小题14:.
A.whileB.whenC.asD.since
小题15:.
A.finishedB.wonC.passedD.lost
小题16:.
A.cheerB.hopeC.interestD.experience
小题17:.
A.hold onB.turn toC.begin withD.stick with
小题18:.
A.measuredB.praisedC.testedD.increased
小题19:
A.sadnessB.strugglesC.diseaseD.tiredness
小题20:
A.orB.norC.andD.but
题型:问答题 简答题

某建筑场地,受压土层为淤泥质黏土层,其厚度为10m,其底部为不透水层。场地采用排水固结法进行地基处理,竖井采用塑料排水带并打穿淤泥质黏土层,预压荷载总压力为70kPa,场地条件及地基处理示意如图(a)所示,加荷过程如图(b)所示。试问,加荷开始后100d时,淤泥质黏土层平均固结度与下列何项数值最为接近()

提示:不考虑竖井井阻和涂抹的影响;Fn=2.25;β=0.0244(1/d)。

A.0.85

B.0.87

C.0.89

D.0.92

题型:问答题 简答题

地下水采样时间与频次符合要求的是哪几项()。

A、背景井点每年采样一次

B、全国重点基本站每年采样二次,丰水期进行采样

C、地下水污染严重的控制井,每季度采样一次

D、在以地下水作生活饮用水源的地区

题型:问答题 简答题

电工常用仪表按仪表所测的电种类分()表。

A、交直流分用

B、直流

C、交流

D、交直流两用

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