IMSATRAFFICSIGNALTECHNICIAN 2

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IMSATRAFFICSIGNALTECHNICIAN 2 |

ACTUALEXAMQUESTIONS ANDVERIFIED

SOLUTIONS

WheninstallingagroundroditMUSTBEinstalledsothattheTechniciancan obtainanohmreadingof-correct-answer-25ohmorless.Logicgroundshouldbe-correct-answer-Isolatedfromcabinet.WhatisoneoftheQUICKESTwaystodetermineifapieceofelectricalequipment hasbeenburntbyashortorhighvoltage?-correct-answer-therewillbeanodor thatcanbedetected WhatisaMAJORreasonforanAClinefilterbeinginstalledinacabinet?-correct- answer-Tolimitdamagingeffectsoftransientnoiseandotherinterference FortheEmergencyVehiclePre-Emptionsystem,whatistheBESTwayfortheTech totesttheoperationofthesystem?-correct-answer-Drivethecorridorwitha vehicleequippedwithanEVPtransmitter. 1 / 3

2|P a g e Whatistheimportanceoftrackclearancetimeinarailroadpreemption?-correct- answer-Itprovidesthetimeforvehiclestoexitthetrackareapriortothegates beinglowered.WhatistheLASTsetofstepsaTechnicianshoulddoafterrepairinganypedestrian problems?-correct-answer-Documentrepairsinlogbookandobservethetraffic signaloperatingforseveralcycles.Ensurethatthepedestrianandvehiclephases areoperatingperplan.AfteraTechhasmadeamodificationtoatrafficsignal,whichofthefollowisthe

MOSTIMPORTANT

tocomplete?-correct-answer-Documentincabinetlogbookandonsignal intersectionschematic.Whileinthefield,wherewouldanTechfindinformationaboutworkthathas beenperformedatatrafficsignalintersection?-correct-answer-Thecabinetlog book,locatedinsidetrafficsignalcabinet.Thecabinethasbeenmodifiedandnewdetectionisadded.WhereistheMOST appropriateplace 2 / 3

3|P a g e tonotetheadditions?-correct-answer-Adddetailstothelogbooknotingallthe changes Whichofthefollowingdocumentsshouldatechniciancheckwhenperforming controllertroubleshooting?-correct-answer-Maintenancelogs/intersection drawings/timingcharts Whatisthestandardusedtodefinehowtrafficsignalcontrollersandnetworks communicate?-correct-answer-NationalTransportationCommunicationsfor IntelligentTransportationsystems(ITS)protocol(NTCIP).Thetrafficmanagementcenternotifiesafieldtechthatthecommunicationsto maplest.And1ststreetcutsinandout.Thetecharrivesattheintersection findingthemodemisoverheatingandindicatorlightsareblank.Afterabout twentyminutesofcheckingcables,thetechnoticesthemodemisactiveagain andcooltothetouch.TheTMCconfirmscommunicationsarerestored.Thetech Checksthelogbookandfindsthisproblemisarecuringissue.whatshouldthe techdo?-correct-answer-Replacethemodem Amanagednetworkswitchisbeingusedinthecabinet.WhatisneededintheIP programmingofthecontrollertogetthroughtheswitchandtotheTOC?-correct- answer-Gateway

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