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第1题Aminefireissomeuncontrolledcombustionthatoccurswell-downinacoalmine.第2题Theformsofcombustionarediffusioncombustion,____,____,____正确答案::Decompositioncombustion正确答案::Surfacecombustion正确答案::Premixedcombustion第3题Thecombustionformofthedecompositioncombustionappearsin().AInthecombustionofgaseousfuelsBInthelaterstagesofcombustionofsolidfuelsCInthecombustionofsolidandsomeliquidfuelsDCombustionofcombustiblegasesmixedwithairinadvance第4题China'scoalmineCoalMineSafetyRulesstipulatesthemaximumallowablevalueofwell-downCOconcentrationis().A50ppmB80ppmC100ppmD24ppm第5题Themajorityofpeoplekilledinminefiresdiefrom().ACOpoisoningBHightemperatureflamesCFailuretomasterescapemethods第1题Firesthatoccurintheairflowflowingfromthehighestpointoftheshaftelevationtothelowestpointarecalleddownwindflowfires.第2题Accordingtotheclassificationofcombustibles,minefiresaredividedintocoalspontaneouscombustionfires,minetimbercombustionfires,powdercombustionfires,electron-mechanicaldevicefire,gascombustionfiresandoilcombustionfires.第3题Minefirescanbedividedinto____firesand____firesaccordingtothelocationofthefire.正确答案::Well-downfires正确答案::Groundfires第4题Accordingtotherelativeabundanceoffuelduringcombustion,combustionisdividedintotwoformsof____and____.正确答案::Oxygen-richcombustion正确答案::Fuel-richcombustion第5题Accordingtothedifferentignitionsourcesthatcauseminefires,minefiresaredividedintotwocategoriesof()and().AExogenousfireBGroundfiresCSpontaneousfiresDWell-downfires正确答案:AC第6题Thecausesandlocationsofminefiresarediverse,butallmusthavethreeconditions,namely:()()and(),commonlyknownasthethreeelementsoffire.AHeatsourceBCombustiblesCOxygen正确答案:ABC第7题Whichofthefollowingdoesnotbelongtothecharacteristicsoffuel-richcombustionis().AMuchresidualoxygen(about15%)BMorefuel,insufficientoxygensupplyCGreaterdangerDLargeamountsofcombustiblevolatilesremaining第8题Whichofthefollowingisanspontaneousfire().AGasexplosionignitionBIgnitionofcableCFireblastersDSpontaneouscombustioninthegoaf1.2.1SpontaneousIgnitionofCoal第1题Ingeneral,anthracitehasagreatertendencyofspontaneouscombustionthanlignite.第2题Forcoalwiththesameheatproductioncapacity,theself-heatingtemperatureofcoalisthesame.第3题Automaticaccelerationofcoaloxidationreaction,gradualaccumulationofheatgeneratedbyoxidationandautomaticincreaseintemperatureduringtheself-heatingperiod.第4题Theconditionsforcoalspontaneouscombustionarethatthecoalhasatendencytospontaneouscombustionandexistsinabrokenandstackedstate,____,____,andthetimetomaintainthecontinuousdevelopmentoftheoxidationprocessofcoal.正确答案::Adequateventilationforoxygensupply正确答案::Goodheatstorageenvironment第5题Whichofthefollowinglocationsbelongtothelocationsofwell-downcoalminesthatarepronetospontaneousignition?()AGoafBWorkingaspectsstoppingmininglineandtheopen-offcutCCoalminetrackroadwayDThereturnairshaft正确答案:AB第6题Whatarethedifferencesbetweenaspontaneousignitionaccidentandanexogenousfireaccidentinamine?()ASuddenBConcealedfiresourceCSlowdevelopmentprocessDGreaterdanger正确答案:BCD第7题Intheself-heatingstage,whenthetemperatureofcoalexceedsthecriticaltemperatureofself-heating(),theoxygenabsorptioncapacityofcoalwillautomaticallyaccelerate.A40℃~60℃B60℃~80℃C80℃~100℃D100℃~120℃第8题Whichofthefollowingcoal-oxygeninteractiontheoryiscorrect()?AJonesobservedthepresenceofoxidessuchascoduringthecoalspontaneouscombustioninhisexperiments.BTheessenceofcoalspontaneouscombustionistheresultofthecontradictorymovementofcoaloxidationtoabsorbheatanddissipateheattotheenvironment.CThemaincauseofcoalspontaneouscombustionistheresultofthechemicalandphysicalcompoundingofcoalandoxygen.DWhencoalisexposedtoair,chemicaladsorptionoccursfirst.第9题Whichofthefollowingisawidelyacceptedcoalspontaneouscombustionhypothesis()?APyriteinteractiontheoryBCoal-oxygeninteractiontheoryCBacterialinteractiontheoryDRadicalinteractiontheory第10题Thedevelopmentprocessofwell-downcoalspontaneouscombustioncanbedividedintothreestages,whichare().AIncubationperiod,self-heatingperiodandvigorousperiodBIncubationperiod,self-heatingperiodandcombustionperiodCSelf-heatingperiod,combustionperiodandvigorousperiodDSpontaneouscombustionperiod,self-heatingperiodandvigorousperiod第11题Whenthereisanabnormalsmellintheroadway,suchaskerosenesmell,pinesmellandcoaltarsmell,itindicatesthatthereis()hiddendangerabovetheairflow.AGasoutburstBRooffallingCCoalspontaneouscombustion1.2.3FactorsAffectingCoalSpontaneousCombustion(I)第1题Thedegreeofcoalmetamorphismisoneoftheintrinsicfactorsaffectingthecoalspontaneouscombustion.Forthelignite,bituminouscoal,anthracite,thesequenceofpropensitytospontaneouscombustionis:lignite≥bituminouscoal≥anthracite.第2题Themoistureofcoalhasonlyaninhibitingeffectonspontaneouscombustionofcoal.第3题Thedegreeofcoalmetamorphismisthedecisivefactoraffectingthespontaneouscombustiontendencyofcoal.第4题Thegreatertheporosityofthecoal,themore____spontaneouscombustion.Forcoalswiththesamedegreeofmetamorphism,themore____brittletheyare,themorelikelytheyaretobespontaneouscombustion.正确答案::Proneto正确答案::Large第5题Generally,coallayerswithsulfurcontentgreaterthan()arecoallayersofspontaneousignition.A2%B3%C4%D5%第6题Whichofthefollowingisnotacomponentofcoalrock?()AVitrainBPowderedcoalCFusainDClarain1.2.4FactorsAffectingCoalSpontaneousCombustion(II)第1题Theretreating"U"and"W"shapedventilationisnotconducivetothepreventionandcontrolofcoalspontaneouscombustion.第2题Theslowertheworkingaspectadvances,thesmallerthepossibilityofcoalspontaneouscombustionleftinthegoaf.第3题Theminingtechnologywithfastrecoveryspeed,lowcoallossinthegoafandgoodroofmanagementcanhelpreducetheriskoffirecausingbycoalspontaneouscombustion.第4题Jointsandfissuresnotonlyincreasethecontactareaofcoalandoxygen,butalsoincreasethechannelofairleakage.Therefore,coallayerswithundevelopedjointsandfissuresaremorelikelytospontaneousignition.第5题Itisfoundthatwhentheairleakageontheunitareaofthegoafisgreaterthan1.2m3/min,spontaneouscombustionfirewillnotoccur,sothecoalspontaneouscombustioncanbepreventedbyincreasingtheairleakage.第6题Whataretheexternalfactorsaffectingthecoalspontaneouscombustion?AExtractiontechnologyfactorBAtmosphericpressureconditionsCVentilationmanagementfactorsDCoallayergeologicaloccurrenceconditions正确答案:ACD第7题Whichofthefollowingstatementisthecorrectaboutcoalspontaneouscombustion?AOneofthebasicconditionsforspontaneouscombustionisthatthecoaltendstospontaneouscombustionandisinastateofbrokenaccumulation.BAslongastherearefissuresintheundergroundcoalandsuitableventilationandoxygensupplyconditions,spontaneouscombustionissuretooccurCThelargertheairleakage,themorelikelythecoalistospontaneouslycombust.DAslongasthethreeconditionsofcoalaccumulation,ventilationandoxygensupplyandheataccumulationaresatisfied,thecoalwillspontaneouslycombustimmediately.ProjectIUnitTesting第1题ThepresenceofCOintheairflow,whoseoccurrenceisontherise,itdoesnotdeterminetheexistenceofapotentialforspontaneousignition.第2题Iftheoxygencontentisreducedto12%orless,thegaswillnotexplodeevenifitreachestheexplosionlimit.第3题Intheeventofafireaccidentinthemine,personnellocatedontheinletsideofthefiresourceshallretreatagainstthefreshairflow.第4题Whentheairpressureofthemainventilatoronthemainairpathisinthesamedirectionasthefire-heatingairpressure,themainairflowwillhaveacompletelysuredirection.第5题Thedirectionofthefire-heatingairpressureisalwaysdownward.第6题Afirethatoccursintheairflowfromthelowestpointofthewellroadwayelevationtothehighestpointiscalledanupwindflowfire.第7题Thebasicformsofairflowdisorderaresmokeflowreversaland____.正确答案::Airflowreversal第8题Well-downcoalminescommonlyuse____fireextinguisher,____fireextinguisherand____fireextinguisher.正确答案::Drypowder正确答案::Foam正确答案::Carbondioxide第9题Therearetwotypesofpressurebalancemethods:sealedareapressurebalanceand____.正确答案::Openareapressurebalance第10题Theinhibitingeffectofinhibitorismeasuredby____and____.正确答案::Inhibitingrate正确答案::Inhibitinglife第11题Groutingwithminingcanbedividedintomethodssuchasburiedpipegrouting,____and____,andintegratedminingworkingaspectspipeinsertiongrouting.正确答案::Drillinggrouting正确答案::Workingaspectssprinkling第12题ClassIofspontaneouscombustionminehasaspontaneousignitionperiodoflessthan____months.正确答案::3第13题Thecausesandlocationsofminefiresarediverse,butallmusthavethreeconditions,namely:____,____and____,commonlyknownasthethreeelementsofafire.正确答案::Heatsource正确答案::Combustibles正确答案::Oxygen第14题Airflowcontrolduringminefireperiodincludes.()AAirvolumecontrolBAirdirectioncontrolCAirresistanceDVentilationfacilities正确答案:AB第15题Therearemanymethodstodeterminethespontaneouscombustiontendencyofcoal,andthewrongoneamongthecommonlyusedmethodsis().AOxygenabsorptionmeasurementmethodBCoaltemperaturetestingmethodCFiretemperaturereductionvaluemeasurementDOxidationratemeasurementmethod第16题Themoistureofcoalhasonlyacceleratedoxidationeffectoncoalspontaneouscombustion.第17题Sincespontaneouscombustionwillleadtotheevaporationofwaterandtheformationofdewdrops,sowhendropofwatercondensationisfound,itcanbeconcludedthatthenearbycoalbodyhasspontaneouscombustion.第18题Itisnowwidelybelievedthatthecauseofspontaneouscombustionofcoalistheresultofthecompoundactionofcoalandoxygen.第19题Fromtheprocessofspontaneousignitionofcoal,itcanbeseenthattheessenceofspontaneouscombustionofcoalistheprocessofacceleratingitsownoxidationrate,whichissofastthattheheatgeneratedistoolatetobedissipatedtotheoutsideworld,andleadstospontaneouscombustion.第20题Whataretheexternalfactorsaffectingthespontaneouscombustionofcoal?ACoallayergeologicaloccurrenceconditionsBVentilationmanagementfactorsCExtractiontechnologyfactorDAtmosphericpressureconditions正确答案:ABC第21题Whatarethedifferencesbetweenaspontaneousignitionaccidentandanexogenousfireaccidentinamine?()AGreaterdangerBSlowdevelopmentprocessCSuddenDConcealedfiresource正确答案:ABD第22题Theoxygencontent()intheairflowinacertainareaofthemine,anditsconsumptiontendstobe(),thatis,thereisaspontaneousignitionhazard.ADecreasesIncreasingBIncreasesDecreasingCIncreasesIncreasingDDecreasesDecreasing第23题Theconditionsforspontaneouscombustionofcoalare().AThecoalwiththetendencyofspontaneouscombustionisinthestateofbrokenaccumulationBThereiscontinuousventilationandoxygensupplytomaintainthedevelopmentofcoaloxidationprocessCTheheatgeneratedbyoxidationaccumulatestoraisethetemperatureofthecoalDTheabovethreeconditionsarepresentatthesametimeandaregreaterthanthespontaneousignitionperiodofthecoal第24题Whichofthefollowingstatementaboutspontaneousfiresinminesisincorrect()?AThespontaneouscombustiontendencyofcoalisanecessaryconditionfortheformationofspontaneousfireBSpontaneousminefirecannotdevelopintoopenflamebecauseofthepooroxygensupplyconditionsforspontaneousfireCTheenvironmentforheatbuildupisnecessaryforanspontaneousfiretooccurDThemechanismoftheoccurrenceofspontaneousandexogenousfiresinminesisthesame第25题Essentially,combustionisaviolent____reactionaccompaniedbyluminescenceandexothermicphenomena.正确答案::Redox第26题Minefiresaredividedinto____and____accordingtothedifferentignitionsourcesthatcausethem.正确答案::Exogenousfires正确答案::spontaneousfire第27题Aminefireisanuncontrolledcombustionthatoccursin____andthreatensthesafeproductionofthemineandcausesdamage.正确答案::Well-downornearthesurfacewellheadofacoalmine2.1IdentificationofCoalSpontaneousCombustionTendency第1题Intheoxidationratemeasurementmethod,theheatgeneratedbythetemperatureriserateofthecoalsampletreatedwith____isusedasanindicatorofthepropensitytospontaneouscombustion.正确答案::Hydrogenperoxide第2题Thetendencyofcoalspontaneouslycombustcanbedividedintothreecategories,whichare____,____and____.正确答案::Pronetospontaneouscombustion正确答案::Spontaneouscombustion正确答案::Notpronetospontaneouscombustion第3题Thedualgaspathgasphasechromatographyoxygenabsorptionidentificationmethodisusedtodeterminetheamountofoxygenabsorbedpergramofdrycoalatatmosphericpressure()withtheZRJ-1coalspontaneouscombustiondetector.A10℃B20℃C30℃D40℃第4题Therearemanymethodstodeterminethepropensityofcoalspontaneouscombustion,andamongthecommonlyusedmethods,thewrongmethodis().AOxygenabsorptionmeasurementmethodBCoaltemperaturetestingmethodCFiretemperaturereductionvaluemeasurementDOxidationratemeasurementmethod第5题ThemethodsusedinChinaforpredictingthepropensityofspontaneouscombustionincludethetemperatureriseintersectionmethod,themaximumtemperatureofhydrogenperoxidemethodandtemperaturereductionvaluemethodatignitionpoint,andthecurrentmethodis().ASelf-heatingtemperaturemethodBHeatreleaseratemethodmicrocalorimetermethodCActivationenergymethodDChromatographyoxygenabsorptionmethod2.2.1SpontaneousIgnitionPeriodofMine第1题Thespontaneousignitionperiodofacoallayercanbeprolongedbyincreasingtheoxidationrateofthecoal,increasingtheintensityofheatdissipation,andsuppressingtherateoftemperaturerise.()第2题ThepresenceofCOinthemineairflow,withitsoccurrencetrendingupward,indicatesapotentialforspontaneousignition.第3题Thelengthofthespontaneousignitionperiodofacoallayerremainsessentiallythesame.()第4题Themethodofdeterminingtheperiodofcoalspontaneousignitiondoesnotinclude?()AAnalogymethodBStatisticscomparativemethodCCalculationmethodDLaboratoryanalysismethod第5题Whichofthefollowingcandeterminetheexistenceofspontaneouscombustionhazardinthecoalminewell-downis().AThepresenceofCOintheairflowBThepresenceofCO2intheairflowCCoal,rock,airandwatertemperaturesriseabovenormalDAdecreaseintheoxygencontentoftheairflow第6题Thespontaneousignitionperiodofcoalisthetimemeasureoftheriskofspontaneousignitionofcoal,i.e.,thetimerequiredforthecoalbodytospontaneouslycombustfromthetimeitisexposedtotheairenvironment,i.e.,thetimerequiredforthetemperaturetoreach().A190℃B70℃C50℃DTheignitionpointtemperatureofthecoal2.2.2DeterminationofSpontaneousIgnitionGradeofMine第1题ALevelIVspontaneouscombustionmineisonethathasa____butdoesnotmeettheconditionsofLevelI,IIandIIIminesabove.正确答案::Spontaneousignitionhistory第2题Thefirerateofmilliontonsinthelast10yearsofLevelIIspontaneouscombustionminesismorethan____butnotmorethan____.正确答案::2正确答案::3第3题ThespontaneousignitionperiodofaLevelIspontaneouscombustionmineislessthan()months.A2B3C4D5第4题Thespontaneousignitionhazardlevelofamineisdividedinto()levelsaccordingtothefirerateofonemilliontonsinthelast10yearsandthespontaneousignitionperiodofthemineAIBIICIIIDIVProjectIIUnitTesting第1题

Humanintuitioncanbeusedastheonlybasisforearlyidentificationofcoalspontaneouscombustion.第2题

Whencoalentersthestageofspontaneouscombustion,thefirstfirecoefficientR1thatincreasescontinuouslyindicatesthataspontaneouscombustionfirehasoccurred.

第3题Indexgasesthatarenotcommonlyusedforearlypredictionofforecastingcoalspontaneouscombustionare()?AAlkaneratioBCOCCO2DEthylene第4题Gassampleanalysiscanbeperformedusinginstrumentssuchasgaschromatographandinfraredgasanalyzer.第5题Whetheraminefirecanbecorrectlyforecastedintimedependsnotonlyonthecorrectselectionofindexgasesandhigh-precisiondetectioninstruments,butalsoonwhetherthemeasurementpointsaresetappropriately,andwhetherthesamplingmethodandtheanalysisandjudgmentofdataarecorrect.第6题Theoccurrenceofminefirecanbepredictedaccordingto().AJudgebycoaltarodorBChangeoftemperatureCHumandiscomfortDObservethechangesinhumidityofwell-downairandchangesinsurfacemoistureofcoalbody正确答案:ABCD第7题Methodsfordeterminingthespontaneousignitionperiodofcoalinclude?()AAnalogymethodBStatisticscomparativemethodCCalculationmethodDLaboratoryanalysismethod正确答案:ABD第8题ThespontaneousignitionperiodofaClassIspontaneouscombustionmineislessthan()months.A2B3C4D5第9题Dualgaspathgaschromatographyoxygenabsorptionidentificationmethodisusedtodeterminetheamountofoxygenabsorbedpergramofdrycoalat()atatmosphericpressurewiththeZRJ-1coalspontaneouscombustibilitydetector.A40℃B30℃C20℃D10℃第10题Thespontaneousignitionhazardlevelofamineisdividedinto____levelsaccordingtothemine'sone-million-tonfirerateandnaturalfireperiodwithinthelast10years.正确答案::Four第11题Inthefiretemperaturereductionvaluemethod,thecoalwithahighspontaneouscombustiontendencyhasa____firetemperaturereductionvalue.正确答案::Large第12题Theoxidationratemeasurementmethodisbasedontheheatgeneratedbythetemperatureriseratephasewhenthecoalsampleistreatedwith____asanindexofthespontaneouscombustiontendency.正确答案::Hydrogenperoxide3.1EarlyPredictionandForecastingofCoalSpontaneousIgnition第1题Safetymonitoringsystemsareusedtomonitorfiresthroughsensorssuchassmoke,temperature,CO第2题Whenthecoalentersthespontaneouscombustionstage,ifthesecondfirecoefficientR2exceeds0.02,itmeansthatafirehasoccurred.第3题Whencoalentersthestageofspontaneouscombustion,thefirstfirecoefficientR1thatincreasescontinuouslyindicatesthataspontaneouscombustionfirehasoccurred.第4题Humanintuitioncanbeusedastheonlybasisforearlyidentificationofcoalspontaneouscombustion.第5题Theratioof____to____intheairflowthroughthefiresourceorself-heatingsourceiscalledthefirecoefficientorGrahamcoefficient正确答案::TheamountofincreaseinCOconcentration正确答案::Theamountofdecreaseinoxygenconcentration第6题Thein-mineaircompositionanalysismethodisamethodofdetectingspontaneouscombustionfiresbyanalyzingthecompositionofgasesreleasedduringthe____phaseofcoal.正确答案::Self-heating第7题WhenusingCOasanindexgas,both____and____canbeused.正确答案::COconcentration正确答案::TheabsoluteamountofCOproduced第8题Theoccurrenceofminefirescanbepredictedbasedon().AObservethechangeofhumidityinthewell-downairandthechangeofmoistureonthesurfaceofthecoalbody.BJudgingbythesmellofcoaltar.CThefeelingofhumandiscomfort.DChangeoftemperature.正确答案:ABCD第9题Whichhumanphysiologicalsensescanpredicttheoccurrenceofminefires?()AOlfactorysenseBVisualsenseCHearingDTouch正确答案:ABD第10题Thenumberoftimesameasurementpointissampledshouldnotbelessthan()timesandtheerrorshouldnotbegreaterthan5%,otherwiseitshouldbere-collected.A1B2C3D4第11题Indexgasesthatarenotcommonlyusedforearlypredictionofforecastingcoalspontaneouscombustionare()?ACOBAlkaneratioCEthyleneDCO2第12题Whichofthefollowingisnotamethodforearlypredictionofspontaneousignition()?AOxygenabsorptionmeasurementmethodBHumanbodysensesCAircompositionanalysismethodinthemineDCoaltemperaturetestingmethod第13题Theearliestmethodappliedtotheearlypredictionofcoalspontaneouscombustionis?()ATemperaturemeasurementmethodBDualelementtracermethodCSpontaneouscombustiontendencypredictionmethodDIndexgasmethod3.2MiningTechnicalMeasurestoPreventSpontaneousIgnitionofCoal第1题Nocoalpillarminingcaneffectivelypreventspontaneousignitionofcoal.第2题Theminingrequirementstopreventcoalspontaneouscombustionaresimpleroadwayarrangement,minimumcutofcoallayer,maximumcoalextractionrate,fastestrecoveryrateandminimumairleakagefromthegoaf.第3题____lineislong,resistanceislarge,easytocausewell-downairleakageandleadtocoalspontaneouscombustion,soitisonlysuitableforsmallmineswithasmallrangeofwell-fields;____lineisshort,resistanceissmall,conducivetoreducingairleakagetopreventspontaneouscombustion,andtheminehasmanysafetyoutlets,goodsafety,suitableforlargeandmedium-sizedmines.正确答案::Centralizedventilationsystem正确答案::Diagonalventilationsystem第4题Gasanalysismethodistodetectthelocationofthefiresourcebyusingtherelationshipexistingbetween____and____intheprocessofcoalspontaneouscombustion.正确答案::Thegasproduced正确答案::Temperatureofcoalbody第5题Whatarethetechnicalmeasuresforminingtopreventcoalspontaneousignition?AReasonableminedevelopmentsystemBReasonablecoalminingmethodCReasonablearrangementofventilationfacilities正确答案:AB第6题Whenminingnearhorizontalorslowlyinclinedthickcoallayersinlayers,whatarethethreeformsoflayingouttheflatlanesinthelayersection?AInternalinterlacingBExternalinterlacingCParallelDVertical正确答案:ABD第7题Whenminingminespronetospontaneouscombustionandspontaneouscoallayers,areasonableminingsequenceshouldbeadheredto,whichisalsoanimportantmeasuretopreventcoalspontaneouscombustion.Whichofthefollowingstatementiscorrect()?AWhenminingacoallayergroup,theupperlayershallbeminedfirstbeforethelowerlayer.BWhenmininginclinedorsteeplyinclinedcoallayers,thelowerstageshouldbeminedfirstbeforetheupperstage.CTheminingareaisminedinasequencefromthedirectionofthemineshafttotheboundaryofthewell-field.DTherecoveryworkingaspectgenerallystartsfromtheboundaryoftheminingareaandisminedinaretreatingdirection.正确答案:AD第8题Whichofthefollowingisnotthemainmethodofextinguishingaspontaneousfireinamine?()AFluidinjectionfireextinguishingBThree-phasefoamfireextinguishingCWaterfireextinguishingDNitrogeninjectionfireextinguishing3.3.1PreventiveGrouting第1题Iftheslurrycannotbeconveyedalongthepipelinelaidinthemineshaftbecausethesurfacegroutingstationisfarfromthemineshaftorthesoilsourcenearthemineshafthasbeendepleted,thencentralizeddrillingcanbeusedtoconveytheslurry.第2题Preventivegroutingmethodscanbedividedintothreetypes:pre-miningpre-grouting,drillinggroutingandpost-mininggrouting.第3题Itiscalledelevatedpressureconveyingwhentheslurryisconveyedbyitsownweightandthestaticpressureformedbythedifferenceinheightbetweenthesurfaceentranceandthewell-downexitoftheslurry.第4题Theslurrycollectingpoolisafacilityforstoringandcontrollingtheconcentrationofslurryorslurrypumpingtosuckandconveyslurry.第5题Therearetwokindsofpressureforconveyingslurry,whichare____and____.正确答案::Staticpressureconveying正确答案::Elevatedpressureconveying第6题Groutingstationisaplaceformakingslurry,anditsformcanbedividedinto____,zonedtypeand____threekinds.正确答案::Fixedtype正确答案::Mobiletype第7题Preventivegroutingistomix____and____inappropriateproportionstomakeacertainconcentrationofslurry,whichissenttotheareawherespontaneouscombustionmayoccurwiththehelpofslurrypipelinetopreventspontaneouscombustionfires.正确答案::Water正确答案::Solidmaterial第8题Mechanicalslurrypreparationprocessissuitablefor().ASmallgroutingvolumeBLargegroutingvolumeCFarsoilsourcesDLimitedbyterrainconditions正确答案:BCD第9题Whichofthefollowingisnotaroleofpreventivegrouting()?ATheslurryhasinhibitingeffecttothecoalBWrapthefloatingcoalinthegoaftoisolatetheairCCoolingdowntheself-heatingcoalDPreventairleakage3.3.2GroutingDesign第1题Minegroutingfirepreventionandfireextinguishingdesignoftheprojectshallbeorganizedforacceptancebytheapproveddepartmentaftercompleted.第2题Theslurrypipelinesystemshallavoidthearrangementof"lowatbothendsandhighinthemiddle"andreducethebends.第3题Suspendingagent,thickeningagent,foamingagent,etc.belongtothegroutingmaterial.第4题Groutingfirepreventionandfireextinguishingmethodisatechnicalmeasuretopreventorextinguishminefiresbypreparingtheslurrywithwaterandadditivesafterfine-grainingthegroutingmaterialandtransportingithydraulicallytothefirepreventionandfireextinguishingareatosealtheairleakagechannel,wrapthecoalrocktostopoxidation,andcoolthecoalrocktemperature.第5题Colloidalmaterialforcoalminefirepreventionandfireextinguishingisacolloidalmixturefinallygeneratedbymixing____,____andstabilizerwithwaterinacertainratio.正确答案::Basematerial正确答案::Coagulant第6题Theslurrymakingmethodisdividedinto____slurrymakingand____slurrymaking.正确答案::Groundcentralizedtype正确答案::Well-downmobiletype第7题Theengineeringimplementationofminegroutingandfirepreventiondesigniscarriedoutby()or(),andthedesigndepartmentsendssomeonetothesiteforguidance.AInfrastructureconstructionunit(infrastructuremine)BMines(productionmines)正确答案:AB第8题Whichofthefollowingaregroutingmethods()ADrillinggroutingBBuriedpipegroutingCAirtightwallpipegrouting正确答案:ABC第9题Whichofthefollowingistheslurrymakingmethodoffine-grainedmaterialssuchasyellowmudandflyash?()AHydraulicslurrymakingBMechanicalmixingslurrymakingCMobileslurrymakingDAutomatedmechanicalmixingslurrymaking正确答案:ABD第10题Itisnecessarytotakeasampleinthesealedareaofslurryfireextinguishingevery(

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