If the electric motor driving an air compressor fails to start, the cause may be a _____.

Themostcommonsourceofexcitationforsynchronousmotorsisa/an_____.

MoistureinaD.Cmotorwouldcause_____.

TheInternationalOilPollutionPreventionCertificaterequiredbyMARPOLisissued toChinaflagbythe_____.

TheOilRecordBookmustbemaintainedonboardthevesselfor_____.

TheseparatesuppliesareconnectedineitherstarordeltaformationThestarformation ismostcommonlyusedandrequires_____slip-ringsonthealternator.

Whichofthefollowingstatementsiscorrectconcerningheattransfer?

Amotorenclosurewhichprotectsagainstfallingliquidsisclassifiedas_____.

Thetotalpowerconsumedinaparallelcircuitis_____.

WhichisafunctionofthevoltageregulatorsusedwithACgenerators?

Ifthereliefvalveonthedischargesideofahydraulicpumpliftsthecausecould be_____.

Condensatemustbedrainedfromtheintercoolerandafter-coolersofanaircompressor because_____.

Anexcessivechargeofrefrigerantinanair-cooledrefrigerationsystemcancause_____.

Asegregatedballastsystemisasystemwhere_____.

Anemergencygeneratordrivenbyaninternalcombustionengineshallbetestedunder loadforaminimumof2hoursatleastonceevery_____.

Theenergyassociatedwithmoleculesisknownas_____.

Thebasictraininginfirepreventionandfirefightingshouldincludethepractical elementswhichshouldallowthetraineestoacquiretheabilityto_____.

AswitchboardforanACelectricalsystemrequirestheuseofwhichofthefollowing devices_____.

Whichofthefollowingdevicesareprotectedfrombeingmotorizedbyareverse-power relay?

WhenparallelingtwoACgeneratorsthefrequencyofthemachinecomingon-line immediatelypriortoclosingitsbreakershouldbe_____.

Electricalsupplyisalwaysneededevenifonlyforlightingsoafterashipgoesinto serviceitisextremelyrareforthemainbus-barstobedeaditthereforefollowsthat thebus-barsarecontinuouslyalive_____thelifeoftheship.

Pittinginthesuctionareasofacentrifugalpumpbronzeimpellerisusuallycaused by_____.

Whichofthemotorsforthedeviceslistedbelowisfittedwithaninstantaneousoverload relay?

Theoperationofparallelingtwoalternatorsrequiresthevoltagestobe_____andalso inphase.

Underwhichofthelistedconditionscantheengineroomretakethethrottlecontrol fromthebridge_____.

Thedifferencebetweenmeasuredanddesiredvaluesiscalled_____.

WhenvoltageandcurrentdevelopedinanACcircuitreachtheirpeakvaluesatthesame timethepowerfactoris_____.

Themagneticfieldisprovidedbyelectromagnetssoarrangedthatadjacentpoleshave _____.

WhichofthelistedpumpsisNOTapositivedisplacementpump?

ThefrequencyofanACgeneratoriscontrolledbythe_____.

WhenthereisafireinalargeelectricmotornormallytheveryFIRSTstepisto_____.

Whichoftheconditionslistedrepresentsthegreatesteffectofexcessfrost accumulationontheevaporatorcoils?

Whileinspectingthesteeringsystematseayoushouldcheckfor_____.

Theairchargeleavinganintercoolerorafter-coolerofanaircompressorcanbe expectedtobe_____.

Burningdieseloilshouldbetreatedaswhichclassoffire?

Whattypeofrotorisusedinsplit-phasemotors?

TheCompanyshouldensurethatthemasterisfully_____withtheCompanysSMS.

Whichofthelistedstatementsiscorrectconcerningrefrigerationsystems?

Adevicewhichprintsoutapermanentrecordoftheplantoperatingconditionsisknown asthe_____.

Thetemperaturedifferentialoccurringbetweentheinlettemperatureofthefluidto becooledandtheoutlettemperatureofthecoolingmediuminashell-and-tubeheat exchangerisgreatestinwhichoftheflowdesignslisted?

Ifthesuctionpressureattherefrigerationcompressorisbelownormalthecausecan be_____.

Whichofthelistedstatementsiscorrectconcerningthestartingofcentrifugalpumps?.

Anohmmetercanbeusedtomeasure_____.

Sacrificialzincanodesareusedonthesaltwatersideofdieselengineheatexchangers to_____.

Theoilinacargowinchgearboxshouldbesampledperiodicallyto_____.

Toequalizethepowerfactoroftwoalternatorsoperatinginparallelthe_____.

Keepcompartment______asthegasgivenoffcanbedangerous.

Inductanceisthepropertyofanelectriccircuitthat_____.

Afireisconsideredundercontrolwhen_____.

Theoperatingmediumforcontrolsystemsmaybe_____.

ThefrequencyofanalternatoratagivenRPMisdeterminedbythe_____.

Theliquidflowinginthecapillaryissuchthatthedifferencein_____readingstaken beforethecapillaryandafteritisrelatedtotheoilviscosity.

Whichofthefollowingconditionsmustexistforheattoflowfromoneobjecttoanother?

Excessiveoilfoaminginthecrankcaseofarefrigerationcompressorismostlikely tooccurwhenthecompressor

TheenergyconsumedbyanACmotorasstrictlyreactivepoweris_____.

Whenairbecomestrappedinthehydraulicfluidofasteeringsystemthe_____.

Whichofthefollowingstatementsrepresentsthemaindifferencebetweenarelayand acontactor.

Adeadfrontswitchboardisone_____.

Ifyouchangefromalowpourpointlubricanttoahighpourpointlubricantina refrigerationsystem_____.

Thegreatestdetrimentaleffectonidleelectricalequipmentsuchascargopumpmotors isthe_____

_____isusedtoproduceelectricpower.

Adirectcurrentpassingthroughawirecoiledaroundasoftironcoreisthedescription ofasimple_____.

Electriccircuitsareprotectedagainstoverloadsandshortcircuitsbymeansofa/an _____.

Anincreaseintheheatloadtoarefrigerationsystemwillcause_____.

_____istheactualvalueofthecontrolledcondition.

WhichofthefollowingmodesofheattransferdoesNOTrequireanyphysicalcontact betweenawarmerandacoolersubstance?

Badlyleakingrefrigerationcompressordischargevalveswillcause

Aviscosityregulatorusedforanengineisusuallyprovidedinorderto_____foran engineburningheavyfueloil.

Tothoroughlypumpoutthebilgesusingahorizontallymountedcentrifugalpumpthe _____.

Inanalternatingcurrentelectricalsystemalowsystempowerfactorisadirectsign of_____.

Whenthecurrentflowthroughacopperwireincreasesits_____.

Duringanengineroomwatchifimmediateactionisnecessarytoensuresafetyofthe shipitsmachineryandcrew_____.

Thedifferencebetweenthestarboardandportdraftscausedbyatransverseshiftin weightis_____.

Inamodernthree-phaseA.Csynchronousbrushlessgeneratortheexcitationwindingis ontherotorThatmeans_____.

Thecapacityofacentrifugalpumpcanbeincreasedbytheinstallationofalarger diameterimpellerAnothermeansofincreasingthepumpcapacityisto_____.

Whichofthelistedprecautionsshouldbetakenwhencleaningtheinternalsofamotor withcompressedair?

Possiblephaserelationshipsbetweenvoltageandcurrentinanalternatingcurrent circuitincludewhichofthefollowingconditions?

Themaincausesoffireonboardshipsare_____.

Iftheresistanceofacircuitiscutinhalfandtheappliedvoltageiskeptconstant thecurrentflowwillbe_____.

Remotecontrolmeansthat_____.

Usuallythepanelsareinterlockedwith_____sothatthedevicescanbemadedeadbefore thedoorsareopened.

Thefirstrequirementforlogicaltroubleshootingofanysystemistheabilityto_____.

Ageneratorispreventedfrombecomingmotorizedbytheuseofa/an_____.

TheCompanyshouldensurethattheship’spersonnelareableto_____effectivelyin theexecutionoftheirdutiesrelatedtotheSMS.

Ifarefrigerationcompressorisrunningcontinuouslywithoutloweringthetemperature intherefrigeratedspacethetroublemaybe_____.

Themaindifferencebetweenamotorcontrolcircuitcontaininglowvoltageprotection andlowvoltagereleaseisthatthelattercontains_____.

Asemiconductorisamaterialwitha_____.

Voltagewillalwaysleadcurrentina/an_____.

Apressuredropthroughtherefrigerantliquidlinemaycause_____.

Asalinityindicatorisusedtodeterminethe_____.

Generatorsshouldhaveanexcitation/voltageregulationsystemwhichwillenablethem tosharethesteadystatereactiveload_____nomachineexceedsitsproportionalshare ofreactiveloadbymorethan10%oftheratedreactiveloadofthelargestgenerator.

Anammetershouldbeusedtomeasure_____.

AmmetersandvoltmetersusedinsinusoidalACpowersystemsindicatewhichofthe followingvaluesofthewaveformsmeasured?

Electricinsulationismadeoforganicsubstancesandsogradually_____withage.

AswitchboardforaACelectricaldistributionsystemwillbeprovidedwithwhich ofthefollowingcomponents_____.

Theelectrolyteinalead-acidstoragebatteryconsistsofdistilledwaterand_____.

PriortoclosingthebreakerwhenparallelingtwoACgeneratorstherecommended practiceistohavethefrequencyoftheincomingmachine_____.

ThepowerfactorofanACgeneratoroperatingsingularlyisdeterminedbythe_____.

EachcompletedpageoftheOilRecordBookmustbesignedbythe_____.

Theprimaryfunctionofanelectricmotoristo_____.

Brushlessgeneratorsaredesignedtooperatewithouttheuseof_____.