煤矿安全知识与技能竞赛试题Coal mine safety knowledge and skills competition test.docx

煤矿安全知识与技能竞赛试题Coal mine safety knowledge and skills competition test.docx

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煤矿安全知识与技能竞赛试题Coalminesafetyknowledgeandskillscompetitiontest

煤矿安全知识与技能竞赛试题（Coalminesafetyknowledgeandskillscompetitiontest）

10,ventilationprofessionalcoalminesafetyknowledgephasetestpapers

Fillintheblanks（0.5pointspersubject,20pointseach）

1.Theconcentrationofoxygenshallnotbelessthan（20%）,andtheconcentrationofcarbondioxideshallnotexceed（0.5%）.

2,themaintoxicgasinminesare:

CO2,（CO）,H2S,（SO2）,NO2,HN3,（CH4）andsoon.

3,windpressure,thatis,thepressureofmineairflow,isthebasicparameterofmineventilationdynamics.Accordingtoitscharacteristics,itcanbedividedinto（fullpressure）,dynamicpressure,and（staticpressure）.

4,beforethetunnelthrough,theComprehensiveMechanizedDrivingTunnelinthedistance（50meters）before,otherroadwayin20metersapart,muststopaworksurfacework,makegoodadjustmentventilationsystempreparationwork.Through,stopdiggingworkingfacemustbekeptnormal（ventilation）,set（fence）andalarms.

After5ortwooppositedrivingfaceshavebeencompleted,alltheworkintheminingareamustbe（stopped）,andtheventilationsystemshallbeadjustedimmediately,sothattheworkcanberesumedaftertheairflowhasbeenstabilized.

6,thehighgasmine,coal（rock）andgas（carbondioxide）prominentmineofeachminingareaandminingeasycoalseamarea,mustsetupatleast

（1）dedicatedreturnairtunnel.

7,themineinthesameseam,thesamewing,thesameminingareaadjacenttotheminingfaceisbeingminedalongtheemptylane,theminingfaceisstrictlyprohibited（simultaneousoperation）.

Aftertheendof8,mining（45）days,mustbesetinallconnectedwiththeminingareasthroughtunnel（firewall）,allclosedarea.

9,theuseofgas,gasconcentrationshallnotbelessthan（30%）,andintheuseofgassystemsmustbeequippedwithtempering,antigasandantiexplosioneffectsofsecuritydevices.Ifthegasisnotusedandthedrygasdrainageequipmentisadopted,thegasconcentrationofthedrainagegasshallnotbelessthan（25%）.

10,coaldustexplosionmusthave:

oneisthedustmusthave（explosive）,twoairbornecoaldustistoreachacertainconcentration,thelowerlimitforg/m3（30-50）,thehighlimitis1000-2000g/m3;threeisignitedcoaldustdetonatedfire,temperature（700-800DEGCto1100DEGC）;O2=18%.

11,thepreventionofnaturalfiremeasuresareminingtechnologymeasures,（preventivegrouting）,（uniformpressurefire）,fireretardantinhibitors.

12eachminemustbemechanicallyventilatedandmustbeequippedwithantiwindfacilitieswhichmustchangethedirectionofairflowintheroadwaywithin（10min）.

13,mineventilationresistancereferstotheairflowinthewelllane,duetothefluidinsideandoutside（friction）effect,andthecauseofroadwaycrosssectionchangesorturn（velocity）orachangeofdirection,theimpactofwindresistanceoreddycurrent.

14,methaneexplosionmusthavethreeconditions,methaneconcentrationreached（5%-16%）;（500degrees-800degreesCelsius）hightemperaturesourceoffire;oxygenconcentrationofnotlessthan12%.The

15,topreventgasexplosionmeasures:

toprevent（gasaccumulation）,toprevent（gasignition）,topreventgasexplosionaccidentstoexpand.

16,closedfirezoneshouldbereduced（closerange）,andmustbedesignatedinspection（gas）,nitrogen,carbonmonoxide,dustandotherharmfulgases（airandwind）change.Measuresmustbetakentopreventgas,coaldustexplosionandpersonnelpoisoning.The

17、millisecondblastingshouldbeadoptedinthehighgasareaandlowgasmineinhighgasarea.

18,beforethefirstchargemustberemovedinthehole（coalorrockpowder）,andthen（woodorbamboo）willrollintothelightgunstick,not（collisionorramming）,eachembrasurewithinthevolumeofwatermustcontacteachother,shouldbeusedinantiexplosiveblastholes.

19,theabsolutegasemissionisgreaterthan30m3/mincoalminingface,gasextractionrateshallnotbelessthan（60%）.

20,gascomprehensivecontrolofthe"Twelvewordpolicy"and"eightcharacterstrategy",thefundamentalmeasuresare（firstpumpingaftermining）,monitoring,monitoring,windproduction;insurable,shouldbesmoked;

Highinput,highquality,strictmanagement,strongtechnologyandreuse.

Two,multiple-choicequestions（1pointspersubject,20points）

1,theentryofwindintotheairflowiscalled（A）.

A,B,CintakeandreturnairroadwayinShimenD,Crossheadings

2,foraminingareaintothewindwiththeroadwaycalled（B）.

A,thetotalintake,theintakeofC,BminingworkingfaceintakeD,contactLane

3,intheminingarearoadway,usedexclusivelyforreturnair,notfortransportation,installationofelectricalequipmentroadwayknownas（D）.

A,returnairShimen,B,returnairlaneC,mainreturnairlaneD,dedicatedreturnairlane

4,themaininletandreturnlaneofmine,themaximumallowablewindspeedis（B）m/s.

A,4B,8C,15D,1

5,themainconveyorroadway,miningareaintothewindandreturnairlane,allowingmaximumwindspeed（C）m/s

A,3B,8C,6D,10

6.Themaximumallowablewindspeedism/s（A）inthecoalroadwayandsemicoalroadwayinthecoalminingface

A,4B,8C,15D,12

7.Theairtemperature（drybulbtemperature）belowtheinletshallbeabove（C）centigrade.

A,0,B,20,C,2,D,-2

8,fullymechanized（release）workfortheoutside20mwithinthescopeoftheupperlane,thenetcrosssectionshallnotbelessthan（B）

A,8m2,B,6m2,C,4m2,D,7m2

9,thenew"coalminesafetyregulations"from（B）gointoeffectThe

A,2005.2.1,B,2005.1.1,C,2004.1.1,D,2005.1.2

10.Theairtemperatureintheworkingfaceofproductionmineshallnotexceed（B）centigrade.

A,2B,26C,34D,30

11,thefivemajordisastersincoalmineproductionare（C）.

A,electricshock,fire,gas,suffocation,roofB,electricshock,fire,gas,airleakage,floorheave

C,water,fire,gas,coaldust,rooffall,D,pressframe,fire,gas,coaldust,andchips

12,nogasemissionofthechambercanbediffusedventilation,andthedepthofthechambershallnotexceed（C）m,theentrancewidthofnotlessthan1.5m.The

A,8M.B,10m.C,6m.D,5m.

13,theholedepthismorethan1m,stemminglengthshallnotbelessthan（B）m?

The

A,1.0m.B,0.5m.C,1.5m.D,0.3m.

14,theholedepthismorethan2.5m,stemminglengthshallnotbelessthan（_C）m?

The

A,0.8m.B,1.5m.C,1.0m.D,0.5m.

15,beforeandbeforeblasting,withinthevicinityoftheblastingsite（D）m,theconcentrationofgasintheairreaches1%,andnochargeorblastingisallowed.

A,30B,15C,40D,20

16,minerescueteamistodealwiththeminefire,gasandcoaldust,water,roofandotherdangerousprofessionalteam;minerescueteammembersarespecialoperationpersonnelincoalminerescueteamline,shouldbelessthan（A）composedofpeople?

The

A,9B,18C,6D,12

17,ventilationshouldbeadopted（B）.

A,naturalventilation,B,fullairpressureventilationorlocalventilatorventilation,C,diffusedventilation,D,naturalventilationanddiffusedventilation

18.Thetotalairvolumerequiredbytheminecanbecalculatedaccordingtotheactualamountofairneededforcoalmining,tunneling,chambersandotherlocations,andthenincreasingthereservefactor（A）toensurethetotalairvolumerequiredbythemine.The

A,20%-25%B,10%-20%C,25%-35%D,50%-60%

19,themovemustbecheckedbeforeoxygenbreathing,oxygenpressurenotlessthan（D）.

A,10Mpa.B,5Mpa.C,15Mpa.D,18Mpa.

20,coalmineundergroundsafety"onepass,threedefenses"refersto（A）.The

A,ventilation,fireprevention,gasprevention,dustprevention,ventilation,gascontrol,Bcontrol,electricshockprevention,ventilation,dustprevention,Cgasfloodcontrol,dustprevention,ventilation,gascontrol,Dcontrol,firepreventionofroof

Three,thejudgmentquestion（eachtopic1points,altogether20points）

1,beforeblasting,tosetthe"threealert"referstothealert,securitynets（cards）,warningposts;

Whenthefiringofficerreceivedtheorderfromtheleaderofthesquad,hemustshout"threeshots"or"whistlethree",andwaitatleast10secondsbeforefiring.*（5*）

2,theprincipleofcoalminesafetyproductionissafetyfirst,preventionfirst,comprehensivecontrol,andoverallprogress.（V）

3.Whenexplosivesanddetonatorsaretransportedtothesurfaceoftheworkplace,theycanbecarriedalongtogether;theyshallnotbeallowedtostayintransit;theexplosivescanbetransportedwithothers;andnootherworkshallbedonewhiletheexplosivesaretransported.（**）

4,theminemustsetupawindmeasurementsystem,every10days1comprehensivewindmeasurement.（V）

5,teamleader,shootingofficer,tileinspector,anyoneinthescenethatsafety,noproblem,youcanshoot（*）

6.Inletairwellmustbearrangedintheplacewheredust,harmfulandhightemperaturegascaninvade.（x）

7,undergroundexplosivemateriallibrarymustbelinedwithnon-metallicornoncombustiblematerialsupport,notWaterLeakageinfiltrationandtakemeasures.Theexplosivematerialonbothsidesofthelibrarymustexportbrickworkornoncombustiblematerialsupport,supportlengthofnotlessthan3m.Thewarehousemustbeequippedwithadequatefireprotectionequipment.（*,5）

8,theminingofcoal（rock）andgas（carbondioxide）outburstcoalseam,isstrictlyprohibitedbetweenany2workingfaceventilation（V）serial

9,coal（rock）andgas（carbondioxide）dangerouscoalminingface,youcanusedownwardventilation.（x）

10.Theairintakeandreturnairofthecoalminingfaceshallnotpassthroughgoaforrooffallarea.（V）

11,controlairdamper,wind,wind,windwindowbrid