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ID:35460503
大小:58.86 KB
页数:6页
时间:2019-03-24
《轮机英语三管轮试题分油机》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、Lesson171682.EmulsificationofoilwilloccurwhenmixedwithA.airB.blackoilC.waterD.icecream1683.Acentrifugearrangedtoseparatetwoliquidsisknownas•A.anoilywaterseparatorB.apurifierC.acentrifugalcompressorD.aclarifier1684.Acentrifugearrangedtoseparateimpuritiesandsmal
2、lamountsofwaterfromoilisknownas.A.anoilywaterseparatorB・apurifierC・acentrifugalcompressorD.aclarifier1685.Whenaclarifierisrunningtheimpuritiesandwatercollectatthebowl.A.centerB.peripheryC.inletD.upperparts1686.Formanyyearsmarinecentrifugesweredesignedforoperat
3、ion,thatisthemachineswererunforaperiodduringwhichsolidsaccumulatedinthebowl.Themachinewasstoppedwhentheaccumulatedsolidsbegantoimpairitsperformance・A.purifyingB.batchC.longperiodD.temporary1687.Forapurifier,changingtoagravitydiscwithlargerholediameterwillmovet
4、heinterfacetowardsthe・A.bowlperipheryB.bowlcenterC.uppersurfaceD.lowersurface1688.Forapurifierchangingtoagravitydiscwithsmallerholediameterwillmovetheinterfacetowardsthe•A.bowlperipheryB.bowlcenterC.uppersurfaceD.lowersurface1689.Theofthegravitydiscistoobig.It
5、causeoiltoflowthroughthewateroutlet.Wechangedthediscandnooilisfoundinthewateroutlet.A.gravityB.diameterC.circumferenceD.cylinder1690.Dirtyoilmustbebeforebeingusedagain•A.mixedwithcleanoilB.purifiedC.heatedD.strained1691.Whichofthefollowinginfluencestheposition
6、oftheinterfacebetweentheliquidsealandtheoilinapurifier?A.HeightofthemachineB・TemperatureoftheliquidsealC.GravitydiscD.Bowldiameter1692.ForaL.O.purifier,ifthebackpressureoftheoiloutletistoohigh,theinterfacebetweenoilandwaterinthebowlwill・A.beinterruptedB.movedo
7、wnwardsC.moveoutwardsD.retainoriginalposition1693.Wheninoperation,itisunavoidablethatasmallamountofoilthroughleakage,andinordertocompensatefortheseleaksthesystemisconnectedtoafeedpump.A.escapesB.overheatsC.expandsD.accelerates1682.Coalescenceisthebreakdownofsu
8、rfacetensionbetweenoildropletsinanoil/watermixture,whichcausesthemtojoinandinsize.A.expandB.extractC・increaseD.decrease1683.Whenacentrifugeisarrangedtoseparateimpuritiesandsmallamo
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