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1、职业技能鉴定长安汽车职业技能鉴定理论考试复习题机修钳工(高级)一、选择题(单选,将正确答案的代号填入空格内)1.由于量块的制造、线纹尺的刻线所引起的测量误差属于(C)误差。A.计量器具B.测量方法C.标准器D.环境2.由于温度、湿度、振动、灰尘等引起的测量误差属于(D)误差。A.计量器B.测量方法C.标准器D.环境3.要想减少温度引起的测量误差,最好是在(C)°C的条件下测量。A.0B.10C.20D.304.框式水平仪比合像水平仪(C)。A.精度高B.测量范围小C.通用性差D.气泡达到稳定时间短5.目前,电能的产生、输送和分配,几乎都采用(C)电源供
2、电系统。A.单相B.双相C.三相D.四相6.(A)必须接上三相电压方能正常工作。A.异步电动机B.日光灯C.小功率电热器D.白炽灯7.三相发电机,连成星形,已知其线电压为380伏,则其相电压为(B)伏。A.110B.220C.60D.3808.在远距离输电时,需用(D)把发电机的电压升高。A.增压器B.变流器C.输电器D.变压器9.金属切削机床使用的是(D)电动机。A.直流B.交直流C.同步D.异步10.在100KW以下的鼠笼式异步电动机,几乎都采用(A)转子。A.铸铝B.铸钢C.铸铜D.铸铁11.机床传动链的误差分析中,如果是升速运动,传动件的误差(
3、B)。A.被缩小B.被放大C.产生波动D.恒定12.机床传动链的误差分析中,如果是降速运动,传动件的误差(A)。A.被缩小B.被放大C.产生波动D.恒定13.齿轮加工机床的分度蜗轮必须保证具有很高的(C)。A.运动精度和传动精度B.运动精度和装配精度practitionerexaminationpractitionercertificate.Thirdstage:laboratorycontinuestorotateclinicallaboratorytesting,clinicalchemistry,ClinicalImmunologytests,C
4、linicalHematologylaboratory,clinicalmicrobiologytesting,inspectionandemergencybloodtransfusiontest7Professional.(2)roundsandthethirdstageofconsultationWebtwiceaweektoattendmedical...Toknow:1.automaticbiochemicalAnalyzercalibration,operationandmaintenance.2.differentbiochemicalde
5、tectionofanalyzersfortestandevaluation.3.thecorecollection,preservationandprocessingofallkindsofbiologicalspecimens.(E)professionalmasterofClinicalImmunologytest:1.ClinicalImmunology-relatedprojects,theresultsofreportsandclinicalsignificanceofroutinetesting.(1)hepatitislogoreal:
6、hepatitisbserumlogorealofdetermination(HBsAg,andHBsAb,andHBeAg,andHBeAb,andHBcAb),andhepatitisaandhepatitiscvirusantibodydetermination(2)tumorlogoreal:methyltireprotein(AFP),andcancerembryoAntigen(CEA),andsugarAntigen15-3(CA15-3),andsugarAntigen19-9(CA19-9),andsugarAntigen12-5(C
7、A12-5),andprostatespecificantigen(PSA),andp-likecellcancerrelatedAntigen(SCC)(3)immunefunction:immuneglobulindetermination(IgG,andIgA,andIgM,andIgD,andIgE),fillbodydetermination(C3,andC4),tlymphocytesAsiagroup,andanti-nuclearantibody(ANA),andanti-doublechainDNAantibody(AdsDNA),a
8、ndanti-mitochondrialantibody,andrheumatoidfacto