Thefreshwatergeneratoroperateswithavac...

单项选择题ThefreshwatergeneratoroperateswithavacuumofAllowingthebrinetoevaporateatatemperatureof40－50()

A、60%-70%
B、40%-50%
C、90%-95%
D、20%-30%

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1.单项选择题Thefeed－watertobedistilledinthefreshwatergeneratoristakenfrom()

A、thefreshwatercoolingsystem
B、theseacoolingwaterinletofthecondenser
C、theseacoolingwateroutletofthecondenser
D、theevaporator

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2.单项选择题Distilledwaterfromanevaporatormaybedischargedintoapotablewatertank()

A、throughadetachablehoseconnectionactivated
B、afterpassingthroughanactivatedcharcoalfilter
C、afterchemicalanalysisconsumptionshowsitisfitfor
D、throughasolenoidoperatedthree-wayvalve

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3.单项选择题Thefunctionofmachineistoosynchronouscompensating()

A、improvepowerfactor
B、reducevoltageoscillationcircuits
C、Increasetheinsulationofmagneticfields
D、eliminateregenerated

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4.单项选择题Whenaflash－typeevaporatoristobesecuredforanextendedperiodoftime,theentireunitshouldbedrainedcleaned,and()

A、completelyfilledwith
B、filledwithde-scalingcompound
C、artightlyclosedtoexclude
D、ventedtotheatmosphere

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5.单项选择题Therotatingunitsofasplitwindlassconsistsofawithshapedsnugstogriptheanchorcable,amooringdrumforpayingoutorlettinggoofmooringwiresandawarpendforwarping()

A、cranes
B、mooringbarre
C、capstans
D、cablelifter

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6.单项选择题Whichcharacteristicorconditionwillhavethegreatestoil'sviscosityeffectonincreasinghydraulic()

A、Pourpoint
B、Cloudpoint
C、Vacuum
D、Pressure

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7.单项选择题Inanelectro－hydraulicsteeringsystem,ruddershockislimitedbyo()

A、adifferentialgear
B、returnsprings
C、ahydraulicaccumulator
D、reliefvalves

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8.单项选择题isprovidedforeachgeneratorwithselectorswitchtoeedcurrentineachphase()

A、Avoltmeter
B、Afrequencymeter
C、Anammeter
D、Asynchroscope

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9.单项选择题Foroccasionalheavyloads.twocranescanbearrangedtoworktogether.Theoperatingofordeckcranemotorsmaybehydraulicorelectric()

A、principle
B、medium
C、instruction
D、voltage

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10.单项选择题某水利水电施工企业负责某水库的围堰施工项目，关于该企业在项目建设过程中的安全设施，下列说法中错误的是()。

A、应和主体工程同时设计
B、应和主体工程同时施工
C、应和主体工程同时投入生产和使用
D、应主体工程同时完工

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