Exam (elaborations)
ABYC Advanced Pretest with correct answers
- Course
- Institution
ABYC Advanced Pretest
[Show more]
Content preview
ABYC Advanced PretestA iimetallic iishore iipower iiinlet iibecomes iihot iito iithe iitouch. iiWhich iiwould iinot iibe iia
iicontributing iifactor? ii- iiAnswers ii-Temperature iirating iiof iishore-cord iiinsulation
An iiinter-circuit iishort iican iicause: ii- iiAnswers ii-" iiAll iiof iithe iiabove; iiUnrelated iicircuits
iito iioperate iisimultaneously; iiComponents iito iiwork iiat iireduced iicapacity; iiAn iiover-
current iisituation"
Which iiof iithe iifollowing iiis iiaddressed iiby iiABYC iiA-32? ii- iiAnswers ii-Power
iiconditioning iiand iiconversion
LED iinavigation iilights iiare iirequired iito iimeet: ii- iiAnswers ii-72 iiColregs
Which iiof iithe iifollowing iiare iirecommended iifor ii3-phase iishore iipower? ii- iiAnswers ii-
Power iiconditioning iiand iiphase-rotation iimonitoring
Which iiof iithe iifollowing iiis iian iiexample iiof iia iipower-quality iiissue? ii- iiAnswers ii-
Nuisance iitripping iiof iimagnetic iicircuit iibreakers
What iitool iican iibe iiused iiinstead iiof iia iipower-quality iianalyzer iito iimeasure iiphase
iiamplitude? ii- iiAnswers ii-DVOM
All iiof iithe iifollowing iiare iifunctions iiof iia iigenerator iivoltage iiregulator iiEXCEPT: ii-
iiAnswers ii-Control iigenerator iipower iifactor
A iitrue-DC iiwind iigenerator iimight iibe iiinadvertently iipowered iiby iithe iibatteries iiif iia
ii________ iiis iinot iipart iiof iithe iiinstallation. ii- iiAnswers ii-Blocking iidiode
Which iipower iisources iican iibe iiseamlessly iitransferred? ii- iiAnswers ii-" iiAll iiof iithe
iiabove; iiAC iigenerators; iiShore iipower; iiInverters"
Which iiof iithe iifollowing iineeds iito iibe iiconsidered iiwhen iiretrofitting iian iielectric-
propulsion iiengine? ii- iiAnswers ii-Proper iiventilation iiof iibatteries
In iia iiNMEA ii2000 iidigital iiswitching iisystem iiit iiis iinecessary iito iiuse ii- iiAnswers ii-
Terminating iiresistors
A iiboat's iihull iipotential iiis iimeasured: ii- iiAnswers ii-Between iia iireference iicell iiand iimain
iiengine iinegative
,Which iistatement iiis iicorrect iipertaining iito iia iiNMEA ii2000 iisystem? ii- iiAnswers ii-" iiBoth
iia iiand iib; iiResistors iiare iito iibe iiused iionly iiat iiboth iiends iiof iithe iisystem; ii
iiNMEA iicables iiprovide iipower iiand iidata iiin iia iisingle iicable"
Slower iithan iinormal iiengine iicranking iicould iibe iian iiindication iiof iiall iithe iifollowing
iiexcept: ii- iiAnswers ii-Battery iifully iicharged
Which iitool iicould iinot-be iiused iito iidiagnose iiexcessive iivoltage iidrop? ii- iiAnswers ii-
Ammeter
An iiadvantage iiof iian iiinsulated iiDC iiground iisystem iiis: ii- iiAnswers ii-Easier iidetection
iiof iiground iifaults
Which iiequipment iimay iinot iineed iito iibe iichanged iiwhen iia iiboat iibuilt iiby iian
iiinternational iibuilder iiusing ii50 iiHz iiAC iiis iiimported iito iithe iiUS? ii- iiAnswers ii-Water
iiHeater
Which iiof iithe iifollowing iicould iicause iia iishore-power iiELCI iimain iibreaker iito iitrip? ii-
iiAnswers ii-Multiple iishore-power iiinlet iineutral iiconductors iion iithe iiload iiside iiof iithe
iiELCI iiare iiconnected
The iimaximum iibattery iicable iigauge iithat iican iibe iiconnected iito iia iiterminal iivia
iiwingnut iiis: ii- iiAnswers ii-8
VFDs iicontrol iithe iispeed iiof iielectric iimotors ii(pumps, iifans, iihoists) iiby iiregulating
ii____? ii- iiAnswers ii-frequency
Do iiVFDs iitypically iidisplay iifault iicodes, iiand iihow iican iiyou iidetermine iithe iinature iiof iia
iifault? ii- iiAnswers ii-Yes, iithey iido; iirefer iito iithe iimanufacturer's iilist iiof iifault iicodes.
According iito ii____ ii, iiseamless iitransfers iibetween iisources iicannot iimaintain iiparallel
iifor iimore iithan iiI iisecond ii- iiAnswers ii-ABYCA-32
True iior iiFalse: iifour-wire iisensors iiare iithe iimost iicommon iiconfiguration iiin iitoday's
iiengine-control iisystems. ii- iiAnswers ii-FALSE; iitwo- iiand iithree-wire iiconfigurations iiare
iimore iicommon.
According iito iiABYC iiA-32, ii"synchronization" iimeans iimatching iiall iiEXCEPT ii-
iiAnswers ii-amperage
Compared iito iitraditional iiUS iipower iisources, ii_____ iidelivers iithree iitimes iithe iipower
iiwith iionly ii1.5 iitimes iithe iiconductor iimaterial. ii- iiAnswers ii-three-phase iipower
In iia iidelta iiconfiguration, iithe iiphase iivoltage iiis ii_____ iithe iiline iivoltage ii- iiAnswers ii-
equal iito
,Three-phase iipower ii______ iithan iisingle-phase iipower ii- iiAnswers ii-is iimore iiefficient
Proper iiovercurrent iiprotection iifor iia iithree-phase iimotor iirequires ii- iiAnswers ii-a iitriple-
pole iibreaker
Three-phase iiinduction iimotors iican iibe iidamaged iiby ii____ iiin iia iithree-phase iipower
iidistribution iisystem. ii- iiAnswers ii-loss iiof iivoltage
The iimost iicommon iicause iiof iiAC iiripple iifrom iian iialternator iiis: ii- iiAnswers ii-Faulty/low-
quality iirectifier iidiode(s)
Based iion iithe iiFourier iimethod, iitotal iiharmonic iidistortion iiis iicalculated iiusing: ii-
iiAnswers ii-First iiand iithird iiharmonics iionly
The iidistortion iicaused iiby iimultiple iifrequencies iiin iioutput iiis iicalled: ii- iiAnswers ii-
Harmonic iidistortion
AC iivoltage iitransients iicause iiall iithe iifollowing iiEXCEPT: ii- iiAnswers ii-Capacitance
iicoupling
When iiattempting iito iidiagnose iiintermittent iipower iiquality iiissues, iiwhich iifeature iiof
iithe iipower iiquality iianalyzer iiis iiused? ii- iiAnswers ii-Data iilogging
Which iifunction iiis iioperational iiwhen iia iiblock iiload iiis iiapplied? ii- iiAnswers ii-Volts iiper
iiHz
Which iiof iithe iifollowing iicomponents iiwould iiNOT iiprevent iia iigenerator iifrom iicreating
iivoltage? ii- iiAnswers ii-Shorted iidroop iiCT
The iifollowing iiare iiadjustments iion iivoltage iiregulators iiEXCEPT ii- iiAnswers ii-Load
iigain
Electricity iicoming iifrom iia iisolar iipanel iimust iibe ii___ iibefore iiit's iidelivered iito iia iibattery
iibank: ii- iiAnswers ii-regulated
What iiis iithe iifirst iistep iiin iispecifying iisolar iicapacity iion iia iiboat? ii- iiAnswers ii-DC iiload
iianalysis
A iisemiconductor ii- iiAnswers ii-exhibits iiproperties iidirectly iibetween iithose iiof
iiconductors iiand iiinsulators
Cabling iifrom iithe iisolar-panel iipositive iiterminal iito iithe iicontroller iishould iiinduce iia
iivoltage iidrop iiof: ii- iiAnswers ii-not iimore iithan ii3.0%
Diode iitest iifunction iion iia iimulti-meter ii(DMM) iiis iiimportant iito iiensure iithat: ii- iiAnswers
ii-Series iicircuits iidon't iihave iiexcessive iiresistance.
, A8YC iiStandard iiA-32 iiaddresses iipower-conversion iisystems iiinstalled iibetween iiall
iiEXCEPT: ii- iiAnswers ii-the iipublic iiutility iiand iithe iidockside iishore-power iioutlet.
Synchronization iimay iirefer iito iicompatibility iiof: ii- iiAnswers ii-any iiof iithe iiabove;
iivoltage;frequency ii;waveform
E-11.8.1 iiLoad iiCalculations ii- ii__ ii- iiAnswers ii-DC
"Statement iiA: iiSwitching iibetween iiAC iipower iisources iican iibe iidone iiwith iiseamless
iitransfer. iiStatement iiB: iiSwitching iibetween iiAC iipower iisources iican iiapply iithe iibreak-
before-make iimethod." ii- iiAnswers ii-Statements iiA iiand iiB iiare iiboth iiTrue
E-11.8.1.1 iiThe iifollowing iimethod iishall iibe iiused iifor iicalculating iithe iitotal iielectrical
iiload iirequirements iifor iidetermining iithe iiminimum iisize iiof iieach ii___________,
iiswitchboard, iiand iitheir iimain iiconductors. iiAdditionally, iithis iiinformation iimay iibe iiused
iito iisize iithe iialternator, iior ii__________, iiand iithe iibattery. ii(See iiE-11.6.1.1 iiand iiABYC
iiE-10, iiStorage iiBatteries.) ii- iiAnswers ii-panelboard, iiother iicharging iimeans
Per iiABYC iiStandards, iibefore iia iiseamless iitranfer, iipower iisources iishall iibe: ii-
iiAnswers ii-synchronized.
When iiconverting iifrom iia iigasoline iiengine iipower iisource iito iian iiall-electric, iiwhich iiof
iithe iifollowing iidoes iiNOT iineed iito iibe iiconsidered? ii- iiAnswers ii-Horsepower iiof iithe
iiold iigasoline iiengine
Per iiABYC iiE-30 iistandards, iiwhat iiis iithe iimaximum iiimpedance iifor iiground-fault
iimonitoring iion iian iiAC iisystem iiwith iiregard iito iielectric iipropulsion? ii- iiAnswers ii-1,000
iiohms iiper iivolt
Based iion iiABYC iiE-30, iiif iia ii144 iiVDC iielectric iipropulsion iisystem iihas iia iibattery
iicapacity iiof ii240 iiamp-hours, iiwhat iiis iithe iirequired iiAIC iirating iiof iithe iiovercurrent
iiprotection? ii- iiAnswers ii-24,000
The iibest iichoice iifor iimounting iia iidigital iiswitching iipower iidistribution iimodule iiis: ii-
iiAnswers ii-Follow iimanufacturer's iirecommendations.
The iimaximum iiallowable iivoltage iidrop iifor iia iiDSS iipower iidistribution iimodule iiis: ii-
iiAnswers ii-3%
Digital iiswitching iifor iiAC iiappliances iiis iiappropriate iias iilong iias ii____? ii- iiAnswers ii-It
iiis iinot iiused.
When iiprogramming iielectronic iicircuit iiprotection iiin iia iiDSS iisystem, iiit iiis iiimportant iito
iiuse iiwhich iireset iifeature? ii- iiAnswers ii-Manual iireset
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80796 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now