MACHINIST MATE EXAM, PRACTICE EXAM AND STUDY GUIDE NEWEST 2024 ALL IN ONE DOCUMENT 500 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+.pdf

MACHINIST MATE ACTUAL EXAM TEST BANK 500+
m m m m m m m


QUESTIONS AND WELL ELABORATED ANSWERS TOP
m m m m m m



RATED VERSION FOR 2024-
m m m


2025 ALREADY A GRADED HIGHLY RECOMMENDED
m m m m m m



BY EXPERTS | NEW AND REVISED
m m m m m




WhatmNSTMmdealsmwithmpropulsionmandmSSTG mTurbines?m-mCORRECTmANSWER-NSTMm231



Whatsmtype mofmrotarympumpmismfrequentlymusedmasmamlubricantingmpumpmonmpumpe mandmothermauxmequi
pment?m-mCORRECTmANSWER-Simple mgearmpimp



Whatmismthe mnormalmlengthmofmamtaperedmplug?m-mCORRECTmANSWER-3"



Whatmisminstalledmonmamnon-condensingmturbonemtomprotectmturbine mcasingmfrommexcessivempressure?m-
m CORRECTm ANSWER-Combination m exhaustm relief m valve m 2-3m psim above m exhaustm line m pressure




OnmanmSSTG,mwhatmprotectsmturbine mcasingmfrommexcessive mpressure?m-mCORRECTmANSWER-
Backmpressure mtrip



WhenmstartingmanmSSTG,mwhatmismamminimummlube moilmtemp?m-mCORRECTmANSWER-60mdegrees



Whatmare mthe mfourmsectionsmof mamPQS?m-mCORRECTmANSWER-
Fundamentals, msystems,mwatchstations, mqualmcard



Whatmismthe mnumbermformamPMSmfeedbackmreport?m-mCORRECTmANSWER-4790/7B



Whenmshouldmoilmcoolersmbe mputmintomoperationmonmaux mmachinery?m- mCORRECTmANSWER-
Whenmtempmofmlube moilmleavingmcoolermism100mdegrees



DFTmismdesignedmtomoperate matmwhatmpressure mandmtemp?m-mCORRECTmANSWER-15mpsimandm240-
250mdegrees

,Whatmisminstalledmonmamcentrifugalmpumpmtomeliminate mrenewingmofmanmentire mpropellormandmpumpmcasi
ngmdue mtomrapidmwear?m-mCORRECTmANSWER-Wearingmrings



The mfederalmwatermpollutionmcontrolmactmwasmamendedminmwhatmyear?m-mCORRECTmANSWER-1970



Whatmismthe mNSTMmformcompressedmairmsystems?m-mCORRECTmANSWER-551



Whatmismthe mmax mallowable mpressure mdropmacrossmamfuelmoilmduplex mstrainermwhenmonline?m-
m CORRECTm ANSWER-3%




Whatmismthe mNSTMmformgeneralmreductionmgear?m-mCORRECTmANSWER-241



Whatmismthe mNSTMmformforcedmdraftmblowers?m-mCORRECTmANSWER-554



Whatmismthe mrequiredmamountmofmsodiummnitrate musedmformamsodiummnitrate mwetmlaymup?m-
m CORRECTm ANSWER-10lbsm perm 1,000m gallons m of m feed m water




Whenmismthe mcurrentmshipsmmaintenance mprojectmverifiedmandmupdated?m-mCORRECTmANSWER-Monthly


PMSmschedulesmare mcategorizedminmwhatmmanner?m-mCORRECTmANSWER-Cycle,mquarterly,mweekly



Mainmfeedmpumpmismclassifiedmasmwhatmtype mofmpump?m- mCORRECTmANSWER-Multimstage
Highmspeed

Turbine mdriven



Howmlongmmustmthemengine mroom/fire mroommoperatingmlogmbe mkeptmfor?m-mCORRECTmANSWER-2myears


Mainmfeedmpumpsmaremfittedmwithmwhatmtwomtypesmofmgovernors?m-mCORRECTmANSWER-Speedmlimiting

Constantmspeed

,the mnumbermofmrevolutionsmtommajormspeedmchangemismenteredminmwhatmcolumn?m-mCORRECTmANSWER-3



Entriesmformasternmpitchmare mprecededmbymwhatmlevel?m-mCORRECTmANSWER-B



Whatmismthe mmax mallowable msupermheatermoutletmtempmduringmtransitionmperiodsmof m15minsm-
m 1m hourm onm am 1200m psigm Dm type m boiler?m - m CORRECTm ANSWER-1020m degrees




Whatmismthe mfirstmactionmtaken,mwhenmyoumaremexperiencingmdifficultyminmmaintainingmboilermwatermleve
lmonmanmautomatedmship?m-mCORRECTmANSWER-Shiftmboilermfeedmwatermcontrolmtomremote/manual



Inmthe mengineeringmbellmbook,mwhatmdoesmImmean?m-mCORRECTmANSWER-Aheadmstandardmspeed



Inmthe mengineeringmbellmbook,mwhatmdoesmIIImmean?m-mCORRECTmANSWER-Aheadmflankmspeed



Inmthe mengineeringmbellmbook,mwhatmdoesmBm1/3mmean?m-mCORRECTmANSWER-Backm1/3mspeed



Inmthe mengineeringmbellmbook,mwhatmdoesmZmmean?m-mCORRECTmANSWER-Stop



Inmthe mengineeringmbellmbook,mwhatmdoesmBFmmean?m-mCORRECTmANSWER-Backmfullmspeed



Inmthe mengineeringmbellmbook,mwhatmdoesmBEMmmean?m-mCORRECTmANSWER-Backmemergencymspeed



Inmthe mengineeringmbellmbook,mwhatmdoesmIImmean?m-mCORRECTmANSWER-Aheadmfullmspeed



WhenmordermreceivedmismrecordedmasmRPMminmwhatmcolumn?m-mCORRECTmANSWER-2



WhatmQAmformismusedmformtestingmandminspection?m-mCORRECTmANSWER-QAmformm17



Boilermhighmwatermalarmmismsetmtomwhatmparameterm-mCORRECTmANSWER-+7minches

, Duringmamwhite msmoke mcasualtymtomamboiler,mwhatmmustmnevermbe madjusted?m- mCORRECTmANSWER-
Fuelmoilmheadermpressure



Whatmtempmismlube moilmmaintainedmonmanmoperatingmmainmengine?m-mCORRECTmANSWER-120-
130mdegrees



Amrupturedmfeedmwatermcontrolmvalvemdiaphragmmwillmhavemwhatmadverse meffectmonmboilermwatermlevel?
m - m CORRECTm ANSWER-Waterm levelm increase



Valve mwillmfailmopen



MaximummsteadymstatemsuperheatermoutletmtempmonmamDmtype m1200mpsigmboiler?m-mCORRECTmANSWER-
1000mdegrees



Duringmlossmof mvacuummcasualtymonmammainmcondenser,mwhatmactionmmustmbemtakenmwhenmvacuummde
creasesmtom15"?m-mCORRECTmANSWER-
Mainmengine mmustmbe mstoppedmandmcasualtymprocedure mIAWmEOCC



TemporarymdistortionmofmSSTG mrotormnumerousmstart/stopmepisodesmismknownmasmwhat?m-
m CORRECTm ANSWER-Bowed m rotor




Whenevermampropulsionmturbinemcasingmjointmismopenedmformanymreason,mamfinalmcontactmcheckmismrequir
edmbymtakingmamredmandmbluemcheckmofmthe mmade mupmjoint,mwhatmismthemrequiredmcontactmformnonmpum
pingmgroove mjoints?m-mCORRECTmANSWER-
75%mcontactmovermentire mjoint,m1/4"mminimummcontinuousmcontactminside mthemgroove mandmacrossmeachm
pressure msection



Whatmismthe mfunctionmofmstaff mpackingmonmSSTG m-mCORRECTmANSWER-
Preventmleakage mofmstemmfrommingressmofmairmintomturbines



Priormtomconductingmthrustmmeasurementsmonmammainmengine,mturbinemmustmbe matmambientmtempmwithm
throttlesmshitmformhowmlong?m-mCORRECTmANSWER-24mhours



Mainmengine mturbinembearingsmare mmeasuredmformwearmatmwhatmnormalminterval?m-mCORRECTmANSWER-
m Annually