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ABYC Marine Electrical - Set Two Exam Questions and Answers
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ABYC Marine Electrical - Set Two Exam Questions and Answers
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ABYC Marine Electrical - Set Two ExamQuestions and Answers
When iiselecting iian iiinverter, ii___ iiis iithe iiprimary iiconcern.
A. iiphysical iisize
B. iioutput iicapacity
C. iiconnection iitype
D. iipower-feed iitype ii- iiAnswers ii-B. iioutput iicapacity
The iiefficiency iiloss iithrough iiinverters iiis iitypically iibetween ii___, iiso iia iibattery
iicharger iicannot iibe iipowered iifrom iione iiand iicreate iia iiperpetual iisystem.
A. ii0.5% iito ii3%
B. ii5% iito ii15%
C. ii20% iito ii25%
D. ii35% iito ii50% ii- iiAnswers ii-B. ii5% iito ii15%
The ii___ iidefines iihow iimuch iiamperage iia iifuse iior iibreaker iican iibe iisubjected
iito iiwithout iilocking iior iiwelding iiitself iiinto iithe iipermanently iiclosed iiposition.
A. iimaximum iiworking iicycle
B. iinominal iirating
C. iimaximum iiallowable iicharge
D. iiAIC iirating ii- iiAnswers ii-D. iiAIC iirating
The iiABYC iirequires iia(n) ii___ iiin iiany iiDC iifeed iifrom iia iibattery iibank iiwith iia
iicapacity iiover ii800 iiCCA.
A. iibattery iiswitch
B. iigrounding iicable
C. iiovercurrent iiprotection iidevice
D. iiinverter ii- iiAnswers ii-A. iibattery iiswitch
The iimain iicircuit iibreaker(s) iiare iiconsidered iito iibe iithe iifirst iibreaker(s) iiin iia
iicircuit iiconnected iiin iiseries iiwith iithe iibattery. iiAll iisubsequent iibreakers,
iiincluding iisub-main iibreakers, iiconnected iiin iiseries iiwith iia iimain iicircuit iibreaker
iiare iiconsidered iito iibe ii"___ iicircuit iibreakers."
A. iitrolling
B. iibackup
C. iibranch
D. iidedicated ii- iiAnswers ii-C. iiBranch
, A iibattery iiswitch iishall iibe iiinstalled iiin iithe ii___ iiconductor(s) iifrom iieach iibattery
iior iibattery iibank iiwith iia iiCCA iirating iigreater iithan ii800 iiamperes iior ii100 iiAh iiif
iiCCA iiis iiunavailable.
A. iineutral
B. iipositive
C. iinegative
D. iigrounded
E. iiBand ii- iiAnswers ii-B. iipositive
___ iiof iithe iiAC iioutput iiwaveform iifrom iisome iiinverters iimay iiaffect iithe
iioperation iiof iisome iiGFCI iidevices.
A. iiHarmonic iidistortion
B. iiElectromagnetic iiinduction
C. iiVoltage iidrop
D. iiElectronic iinoise ii- iiAnswers ii-A. iiHarmonic iidistortion
Since iisome iiinverters iido iinot iinecessarily iioutput iia iitrue iisine iiwaveform iiof iiAC,
iia iiDVOM iithat iiuses iia(n) ii___ iialgorithm iifor iiinterpreting iiwhat iiit ii"sees" iiis iia
iimust.
A. iisimple iirecursive
B. iibacktracking
C. iitrue iiroot iimean iisquare ii(RMS)
D. iiapproximate ii- iiAnswers ii-C. iitrue iiroot iimean iisquare ii(RMS)
Gear iithat iifunctions iinormally iiwhen iirun iifrom iia iishore iipower iisource iibut iieither
iifunctions iierratically iior iinot iiat iiall iiwhen iirun iifrom iian iiinverter ii(or iigenerator)
iiis iialmost iialways iia(n) ii___ iiissue.
A. iisubsystem
B. iiwiring
C. iioverheating
D. iiwaveform ii- iiAnswers ii-D. iiwaveform
A(n) ii___ iireads iithe iistrength iiof iia iimagnetic iifield iiemission iiand iican iibe iiused
iito iiestablish iia ii"safe iizone iiof iiseparation" iibetween iiinverters iiand iimagnetically
iisensitive iiequipment.
A. iigauss iimeter
B. iioscilloscope
C. iiDVOM iimultimeter
D. iiconductance iitester ii- iiAnswers ii-A. iigauss iimeter
When iiinstalling iian iiinverter iiin iia iisplit iibus iiapplication, iiit iiis iiimportant iito
iiprovide:
A. iiAn iiisolated iihot iibus
B. iiLarge iiinductive iiloads
C. iiAn iiisolated iineutral iibus
D. iiBoth iiA iiand iiC ii- iiAnswers ii-D. iiBoth iiA iiand iiC
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