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1、仪表工中级试题Instrumentation(intermediate)A,fillsupthetopic1.1kilogramsequals()Newton????IMPa=()PaAnswer:9.810000002.Thefluidthatflowsthroughtheunittimeiscalled()byvolume,(),()・Answer:thevolumef1owrateQ(3)themembraneofthedifferentialpressuretransmitterboxfill
2、edwith(),itbesidesdeliverypressure,and()function,sotheinstrumentoutputstable・Answer:siliconoildamping4.Staticpressuretypeliquidlevelisbasedonthefluid()balanceprinciple・A:staticpressure5.Flangebehindthemodelofdifferentialpressuretransmitterwithcanbesaid(
3、)migration,withsaid()migrationcanbeperformed.Answer:positiveandnegative6.Automaticcontrolsystemismainlycomposedof()()()()andfourmajorcomponents・Answer:regulatingobjectregulatorvalvetransmitter7.Automaticcontrolsystemaccordingtotheregulatorhasregulationo
4、flaw,thereareusually()()(),()controlsystem,etc.A:theproportionoftheproportionoftheproportionoftheratioofthedifferentialThevalveissmallerandrequireslessleakageandisgenerallyoptional()・Answer:singleseat9.Adjustthelowdifferentialpressure,largeflowgas,optio
5、nal()valve・A:butterflyThe()valvecanbeusedwhenadjustingandcutting・Answer:eccentricrotation11.Theboilerdrumlevel,()()()iscommonlyusedinthreeimpulseliquidlevelcontrolsystem.A:feedwaterflowsteamflowdrumlevel12.Thefluidvelocityinsidethepipeline,ingeneral,int
6、he()oftheflowvelocity,thelargestinthe()flowrateisequaltozero.A:aturbinetypeflowmeterisa()typeflowmeter・Answer:thespeedInthePIDparameter,P,I,andDrepresent()・Answer:proportion,integration,differentiationUPScanbedividedinto()and()twotypesfromtheprincipleof
7、work.Answer:back-up,online(C015)ThepowersupplyoftheTPSsystemshould()beinothersystems.A:independentTheprogrammableregulatorUSESaninternationalstandardanalogsignal,voltage(),current()・Answer:15v4parametersis()()20mal8・Instrumentmeasuringthefive()0,0Answer
8、:temperaturepressurecontentflowon-lineanalysisFeedbackisdividedinto()feedbackand()feedback.Answer:positiveandnegative20.NowtheDCSsystemin4Ctechnologyrefersto()()()().A:computer;Control;TheCRTdisplay;Communications・Ifaregulatoracc
