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1、（勤奮、求是、創(chuàng)新、奉獻(xiàn)）2008～2009學(xué)年第1學(xué)期考試試卷主考教師：____ThomasA.Hamade____學(xué)院_汽車工程學(xué)院__班級姓名_________學(xué)號_________《先進(jìn)制造工藝（美）》課程試卷A答案（本卷考試時(shí)間120分鐘）題號一二三四五六七八九十總分題分81291654100得分Ⅰ.Fillintheblank（4blanks,4pointseach,16pointstotal）1.HeatTransferdealswiththedeterminationoftheratesofenergytransfersaswellasvariationoftempera
2、ture.2.Awatervaporattemperatureandpressurehigherthanthesaturationpointisknownas___superheated__steam.3.Fluidflowisthesciencethatdealswiththebehaviorofmovingfluids.4.TheenthalpyisH=U+PVandtheinternalenergyforaclosedsystemisgivenasdU=δQ–δW.5.ThermalScienceisthescienceofenergytransformationinthermod
3、ynamics,fluidflowandheattransfer.6.TheidealgaslawisusedtoapproximateP,T,Vrelationshipformanygases.7.Theexpansivityoffluidsisanenergyformandrepresentedbypressureandvolumeoffluidsaccordingtothefollowingrelationshipbetweenpressureandvolumeofthefluid:____PV___.8.TheBernoulliequationisusedtopredictflo
4、wconditionsofafluidalongthestreamlines.9.OneBritishthermalunit(BTU)isequal__252____caloriesandeachcalorieisequal__4.187___Joules.10.273Kisequal_____0Fand0Kisequalto_____R.11.Thelowestpossiblepressureis0Paandthelowestpossible_____temperature_____is0K.12.Theweightofmatteronthemoonismuchthanthatonea
5、rthbecauseofthe_______________constantismuchlower.Ⅱ.Choosetherightanswers:（4questions,4pointseach,16pointstotal)1.Whichoneofthefollowingdevicesisusedtogenerateelectricpower:(a)Pump(b)Electricmotor(c)Gasheaters__X__(d)Turbine2008~2009學(xué)年第1學(xué)期《先進(jìn)制造工藝（美）》課程試卷B答案第17頁共17頁2.Whichoneofthefollowingdevicesi
6、susedtocompressfluids:(a)Nozzle__X__(b)Compressor(c)Turbine(d)Nonementioned3.Whichoneofthefollowingisaopensystem:(c)a.Gasinsidecylinderexchangesheatwithsurroundingbutnomassentersthesystem.b.Gasisolatedsomattersfromsurroundingdonotenterthesystem.c.Fluidflowsinandoutofthesystemfromsurrounding.d.Gas
7、doingworkonsurrounding,howevernomatterentersthesystem.e.Noneoftheabove.4.Atwhattemperaturewaterevaporateswhenthepressureis0kPa:a.0oCc.0Kd..0R__X__e.Allmentioned5.Insteadyheattransferthroughawallisalways:a.Variable__X__
