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时间:2020-03-29
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1、河北科技大学理工学院2009——2010学年第二学期《化工专业英语》考试试卷一、将下列单词或词组译成汉语(20%,每个1分)。试卷类别(A),共(4)页,第(4)页3-nitrotoluenecentrifugationpartialpressurebubblephaseboilingbedstreamlinesflowsensibleheatpressuredropinternalenergyparticulatefluidizationextractiveagentcivilengineerboundarylayerbufferl
2、ayerdehumidificationoriginaltemperaturecatalyticcrackingdewpointsodiumchlorideinternalenergy试卷类别(A),共(4)页,第(4)页二、将下列单词或词组译成英语(10%,每个1分)。试卷类别(A),共(4)页,第(4)页单元操作冷凝湿球密度二氧化碳沸点乙烯过滤试卷类别(A),共(4)页,第(4)页化学工程辛烷三、阅读理解(10%,每题2分)。Thefirstproductsgivenoffduringthedistillationofpetrol
3、eumaregaseous.Theyaremainlyhydrocarbonshavingonetofivecarbonatomswhichareusuallyseparatedfromeachotherbychemicalmethods.试卷类别(A),共(4)页,第(4)页四、将下列句子译成汉语(30%,每题6分)。(1)Dehumidificationofaircanbeeffectedbybringingitintocontactwithacoldsurface,eitherliquidorsolid.(2)Athighvel
4、ocitiestwoseparatephasesareformed;thecontinuousphasewhichisoftenreferredtoasthedenseoremulsionphase,andthediscontinuousphaseknownasthelean(phase)orbubblephase.(3)Therearetwoprincipaltypesofflowwhichwillbediscussedindetailnamelystreamlinesandturbulentflow.(4)Iftheprocess
5、iscarriedoutadiabaticallyalltheenergyaddedtothesystemappearsinthegasanditstemperaturerises.(5)Whenthefrictionaldragontheparticlesbecomesequaltotheirapparentweight(actualweightlessbuoyancy),theparticlesbecomerearranged.试卷类别(A),共(4)页,第(4)页五、阅读回答题(20%)。根据短文内容回答问题。(答题中所涉及的文
6、字描述均使用中文)Forexample,ethylalcoholandwaterformabinaryazeotropeat0.89molefractionalcohol,sothatthisistherichestalcoholsolutionthatcanberecoveredbysimpledistillation.Additionofbenzeneasanazeotropicagentyieldsadistillateproductconsistingofaternaryazeotrope.Thebottoms(釜底产物)is
7、thedesiredpurealcohol.Sufficientalcoholislostintheternaryazeotropetorequireitsrecovery.Oncondensation,theternaryazeotropeinthedistillatesplitsintotwoliquidphases.Thebenzene-richphaseisreturnedtothefirstdistillationcolumn,whilethewater-richphaseissenttoasecondcolumn.Inth
8、issecondcolumn,thedistillateisagaintheternaryazeotrope,whichiscondensedandsenttothephasesplitter(分相器)(together
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