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Auto mechanics Test Questions and Answers Updated 2026.

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Auto mechanics Test Questions and Answers Updated 2026.

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Postal Automotive
Technician Exam 944
Questions and Answers
Updated 2026
TheBVibrationBDamperBonBanBAutoBEngineBisBFastenedBtoBtheB-BAnswerBCrankshaft



MostBSmallBGasBEnginesBUseBaB_________BIgnitionBSystemB-BAnswerBMagneto



IcingBOccursBMostBOftenB-BAnswerBOnBCoolBDampBDays



TheBFunctionBofBtheBFloatBinBaBCarburetorBisBtoB-BAnswerBCloseBtheBNeedleBValve



ToBImproveBStabilityBWhenBCornering,BManufacturersBAddedBaBDeviceBtoBCarsBCalled
B-BAnswerBStabilizerBBar



AdjustmentBofBtheBRodsBonBaBCarBWillBAffectB-BAnswerBToe-in



ABRestrictionBinBtheBExhaustBSystemBisBIndicatedBonBaBVacuumBGaugeBbyBaB-
BAnswerBGradualBDecreaseBinBReading



DiscBBrakesBonBaBCarBHaveBaBDistinctBAdvantageBOverBConventionalBDrumBBrakesBin
BThatBTheyB-BAnswerBFadeBLessBWhenBHot



InBaBDieselBEngine,BtheBFuelBisBIgnitedBbyBtheB-BAnswerBHeatBofBCompression



EngineBTimingBisBGenerallyBSetBbyBUsingBaB-BAnswerBStrobeBLight

, IfBanBengineBisBoperatingBatBpartBthrottleBforBlongBperiods,BwhatBwillBhappenBtoBthe
BsparkBplugs?B-BAnswerBSparkBplugsBwillBbecomeBcoveredBwithBcarbon



WhatBwillBleakingBintakeBvalveBguidesBcause?B-BAnswerBExcessiveBoilBconsumption



WhatBgenerallyBcausesBfloodingBofBaBcarburetor?B-
BAnswerBABstuckBfloatBneedleBvalve



OnBmanyBcars,BwhatBisBtheBfuelBpumpBcombinedBwith?B-BAnswerBVacuumBpump



WhatBdoesBcarbonBfoulingBofBaBsparkBplugBindicate?B-BAnswerBTooBrichBaBmixture



IfBgeneratorBoutputBisBexcessiveBevenBafterBdisconnectingBtheBFBTerminal,BwhereBmig
htBtheBtroubleBbe?B-BAnswerBTheBgenerator



HowBdoesBanBautomobileBalternatorBconvertBalternatingBcurrentBtoBdirectBcurrent?B-
BAnswerBByBmeansBofBsiliconBdiodes



WhatBoftenBcausesBhardBstarting?B-BAnswerBImproperBchokeBoperation



ABcarBwithBaBhistoryBofBburnedBpointsBwouldBlikelyBindicateBwhatBproblemBwithBthe
BvoltageBregulator?B-BAnswerBTooBhighBsetting



WhatBisBtheBmaximumBallowableBoversizeBamountBwhenBreconditioningBbrakeBdrums?
B-BAnswerB.060Binches



21.BIntakeBStrokeBAirBFuelBMixtureBMeasurementB-BAnswerBVolumetricBEfficiency



22.BPurposeBofBWelchBPlugsB-BAnswerBSandBRemovalBAfterBCasting

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Uploaded on
August 9, 2026
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Written in
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Type
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Questions & answers
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