kumpulan soal Pra-Prala CBA stabilitas
Halo guys salam jalesfeva jayamahe !!!!
saya kasih latuhan soal buat kawan-kawan pra-prala ANT-III mode CBA,hanya untuk belajar ya guys.
soal tidak saya isi supaya kawan-kawan bisa mempelajari dan mengerti..
A. Doubling theroll
period
B. The cargo
can
still be loaded
14. Inasinglesideskin
bulkcarrier of 155m
in length constructedin 2000 and carrying cargoofdensity
1010kg/cu.m.,whichcargoholdshouldbeabletowithstand flooding?
15. Inasinglesideskin
bulkcarrier of 180m
in length constructedin 2001 and carrying cargo of density1,780
kg/m3, or above, which
cargo hold is strengthened to withstand flooding?
A. Thisindicatesthevesselissufferingrackingstressandis
potentiallyserious
24. Whichplanshowsthepositionoftheverticalandlongitudinalcentresofgravityfor
eachcargocompartmentof aBulk Carrier?
A. Stopcargo,reduceFSEintanks,lowerweights withinvesselandfillsmallballasttankonlow side of vessel.
A. Thehatch covers and/orhatch
pontoons are weather tight.
35. A generalcargo vessel
is loading to its Summer
Marks. Upon completionof loading,
the final level ofthe waterwould be at:
37. Whenloadingheavyliftcargoesonageneralcargovessel,positivestabilitycanbe maintained by:
A. Carbon-Manganesesteel.
39. AnOiltankerexperienceslargebendingmomentsandthereforethedeck scantlings
mustbemaintained within "x"length amidships, where "x"is:
40. AsperMARPOL,theformulaforcalculatingtheminimumdraftamidshipsfor crudetankers
in ballast condition
is:
42. Whatarrangementmaybeinstalledinpassengershipstoreduceunsymmetrical flooding in damaged condition?

D. A smallGM when
fullyloaded
saya kasih latuhan soal buat kawan-kawan pra-prala ANT-III mode CBA,hanya untuk belajar ya guys.
soal tidak saya isi supaya kawan-kawan bisa mempelajari dan mengerti..
1. Foracontainerstowedinapositionequidistantfromtherollandpitchaxesofa ship, what will quarterthe acceleration
forces acting on it?

B. Doubling thepitch period
C. Halving the rollperiod
D. Halving
the pitch period
2. How areship's
stability
characteristics
affected
byParametric Rolling?
A. Bytheconstant
changeof underwaterhullgeometryas
waves travel
past the ship
B. Bythe virtual
loss of GM
C. Bythe
development of anegativeGM
D. Byan increasein the angle
ofpitch
3. What does heaving
resultin?
A. Vertical
accelerations
acting along container corner
posts
B. Shearing
of container twistlocks
C. Longitudinal
accelerations acting on hatch
pontoons
D.
Tipping of containers
4. What is
the disadvantageof using High TensileSteel
(HTS) in ship construction?
A. Enhanced
vibration in HTS areas
B. Failurewithoutwarning
C. Lowelasticity
D. Diminished cargo
carrying
capacity
5. What is
the primarycauseof
fatiguedamageto
thehullgirder?
A.
Thenumberofrepeated stress
cycles
B. Repeated
plasticdeformation
ofthe hull
C. Panting stresses
D. Resonant rolling
6. What
rollamplitudeis generallyused byclassification
societies in calculating
rolling forces?
A. 24 -30 degrees
B. 37 -42 degrees
C. 30 -36 degrees
D. 18 -24 degrees
7. What would indicate theonset of ParametricRolling?
A. Whenthewaveencounterperiodapproachesthenaturalrollperiodofthe ship
B. Whentwicethewaveencounterperiodapproachesthenaturalrollperiodof
the ship
C. When waveheights
experiencedfrom eitherquarter
exceed 6 meters
D. When waveheights
experiencedfrom thebows
exceed 6 meters
8. When do vertical accelerations acting on containers reach
theirmaximumvalues?
A. When aship changes
direction at
its extreme angleof pitch
B. When aship is at its extreme
angle ofpitchand rollsimultaneously
C. When aship surges
D. During resonant
rolling
9. When does
wind forcecauseheeling moments on a
container ship?
A. When the on-deck containers present
a certain profileto
thewind direction
B. Whenever wind
speeds
exceed
60 knots
C. Whenever wind
speeds
exceed
70 knots
D. When on-deck containersareblock-stowed
10. Whywould averylargecontainer
vessel pitch
morethan afeeder
vessel?
A. Becausepitching
varieswith
ship’s length
B. Because
very
large container vessels
are more exposed to open
sea conditions
C. Becausevessel
pitching
varies withpropeller
pitch
D. Becausecontainerstacksonlargecontainervesselsaremoreexposedto wind forces
11. ABulkVesselistoloadacargoofgrain;preloadingcalculationsshowthat IMO
stabilitycriteriacannot be achieved; thevessel should
do which ofthefollowing?
A. Thegrainsurfacesinsomeorallofthecargo spaces
must be secured

C. An exemption certificatemustbe applied for
D. An exemption certificatemustbe applied for
12. A loaded bulk carrierexperiences heavyiceaccretion
on deck forward, what
arethe major concerns ofthechanges in stability?
A. Reduction ofmetacentric height
(GM) and loss of freeboard forward
B. Excessivetrim
bythe stern
C. Increasein
metacentricheight(GM)
D. Reduction ofspeed
andadditional fuel consumption
13. Afterdischargingahighdensitycargoaseriouscrackisfoundinanupperballast
tank amidships of aBulk Carrier; what must
theMasterdo?
A.
Inform DesignatedPerson
Ashore (DPA) and
call inClassification
Society
B. Notethe
dimensions of the crack andmeasureregularly
C. Proceed on ballast
voyagewithoutballast in
this tank
D. Repairwithcementboxortemporaryweldedpatchuntil
next drydock

A. Anycargo
hold
B. Theforemost
cargo hold
C. The aftermost
cargo hold
D. Themidships cargo hold

A. Theforemost cargo hold
B. The aftermost cargo hold
C. Themidships cargo hold
D. Theballast hold
16. Large bulkcarriersaremorelikelytosuffer fromcracksinstructureinwhichofthe
following parts ofthe vessel?
A. Around hatchcorners
and
upper ballast tanks amidships
B. In number 1 and
number2 holds
C. Inafter peakarea
D. On bottomplating in
theafter part ofthe vessel
17. OnaholdinspectionofaBulkCarrieritisnotedthatanumberoftransverseframe
beam kneesareslightlydistorted; what
is the significanceof this?

B. There arenoconcerns
with this
observation
C. This is an indication
ofexcessivebending
moment
stress
D. Thedistorted areas
should bepainted
18. Thevesselisinstructedtoloadalternateholdswhencharteredtocarryahigh
densitycargo. What
reasons could
be given bythe masterto refuseto do this?
A. IMO
donot recommend
alternate
loading of cargo holds with high densitycargoes.
B. Thetrim of thevessel willnot be satisfactory.
C. Cargo
spacecleaning after discharge will be excessive.
D. Thesummerdeadweightwillnot be achieved.
19. Whataretheeffectsofabulkvesselloadingahighdensitycargoresultingina largemetacentricheight(GM)?
A. Have afast
roll period and possibly
suffer
racking
stresses
B. Haveaslowroll and largerighting levers
C. Haveaslowroll and verysmall righting levers
D. Suffertorsionalstressesandhavesmallrighting levers
20. Whatdifferencesindesignaretherebetweenastandardcargoholdandacargo
hold which can also be used forballast
on aBulkCarrier?
A. Theballast
hold hatchcovermust
befitted with additional securingdevices
B. Thereis no differences indesign
C. This hold does
not haveventilators
D. Thecoamingsaremuchlowerontheballast
hold
21. What must
bycarefullychecked when loading abulk carrier
to maximum draft
A.
Theminimum bow heightmustbemaintained
B. Thevessel is trimmed bythe
stern on completion,
C. Thevessel is trimmed bythe
head on completion
D.
Thevessel should haveastern
trim of 2.0 metres bystern.
22. Whatwouldacrackedcross-deckplatingfoundduringaloadedpassageonabulk carrier indicate?
A.
That shearforces
havebeen exceeded
B. That thevessel is dueforsurvey
C. That failureof
theshellplating is imminent
D. That bulkhead
failureis imminent
23. Which of
the below structures of
bulk carriers are consideredcritical?
A.
Upper and lower connection of main
sideframes
B. Longitudinal
deck plating outside
hatches
C. Thegirders
D. Forecastledeck

A.
Vessel stabilitybook
B. Line
drawing
C. CapacityPlan
D. Shellexpansion
25. Whichplanshowsthepositionoftheverticalandlongitudinalcentresofgravityfor eachcargocompartmentof aBulk Carrier?
A.
Vessel stabilitybook
B. Line
drawing
C. CapacityPlan
D. Shellexpansion
26. A chemical
tanker intended to transport
products with appreciably
severe
environmentalandsafetyhazardswhichrequiresignificantpreventativemeasures toprecludeescapeofsuchcargo,usuallyofdouble-hullconstruction,withavariety
of tank sizes / capacitiesis rated
as:
A. A typeIIchemical tanker,
as per theIBC Code.
B. A typeIchemical tankeras per
theIBC Code.
C. A parcel
chemical tankeras
per theIACSConstruction
Regulations.
D. Achemicaltankerforthepurposesofthe1996IMOdirectiveMEPC/2.12 circ.OnMandatoryReportingRequirementsforShipsCarryingDangerous
orPolluting Goods.
27. A cofferdam, a pumproom or an empty
tank, located
between cargo
tanks containingcargoes or cargoresidueswhichmightreactwitheachother ina hazardous manner,are allacceptable
methodsof segregationinchemicaltanker
stowageaccordingtotheIBCCode. Forthispurpose,itmay alsobeacceptableto
have:
A. Aninterveningcargotankcontainingamutuallycompatiblecargoorcargo residues.
B. A common
bulkhead, provided it is at least 10 mmthick.
C. Acommonbulkhead,provideditoverlapsforlessthan15%of thelengthof the bulkhead on the larger tank.
D.
A cruciform joint, separating
two tanks diagonally.
28. As perIBCCode, the information contained inthe loading andstabilityinformation booklet, which must be supplied
to themaster of achemical tanker,
shallinclude:
A. Detailsoftypicalserviceandballastconditions,provisionsforevaluating
other conditions of loading and a summary
of the ship's survival
capabilities,
togetherwith sufficientinformation
to enablethe mastertoload and operatethe
ship in asafeand seaworthymanner.
B. Summarydetailsoflightshipandfullyloadedconditionsandofa representative
part-loaded condition, with examples
of calculations of typicalpre-departurestability
conditionsandanexampleofa damage stability calculationtoenablethemastertodeterminesurvivalcapabilityin the event of anemergencyinvolving
a breach of thehull.
C. Certificates confirming
the testing and calibration
of tank gauging equipment,theship'sstability computerprogramandtheaccuracyofdraft and
loadline marks.
D. Detailsofserviceandballastconditionsforloadingbasedontherangeof
productswhicha vesseliscertifiedtocarry,incorporatingthe
maximum permissibleDWT,themaximumpermissible SGofany product,the maximumpermissibletrimandanystructuralconstraintsthatwillimpacta
loadingcondition.
29. As per
theIBC Code, anindependent
tank
on achemical
tanker is definedas:
A. Onewhich is not contiguous with,
orpart ofthe hullstructure.
B. Onewhichformspartoftheship'shullandstructureandwhichisnormally
essential to thestructuralcompleteness of the ship's hull.
C. OnewhichisnotsubjecttotherequirementsoftheIBCCodeinrespectof
the loading and carriageof
hazardous liquid cargoes.
D. Onewhichcanbeloadedwithhazardousliquidchemicalsthatcannotbe carried in integral cargo tanks.
30. Notcountingactualcapacityorstructuralandcargospecificlimitations,theIBC Codestates that
forasingle tank on atype3 chemical
tanker:
A. Thereis
no applicable filling restriction.
B. A restriction
of 1250 cubic metres shall apply.
C. A restriction
of 3000 cubic metres shall apply.
D. A restriction of 1750 cubic metres shall apply.
31. Since1stJanuary
2007,asperchangesintroducedbyamendmenttoMARPOL
and
IBC Code, ithas becomemandatoryforvegetableoils
to be carried in:
A. Doublehulltankers.
B. Integral
cargo
tanks only.
C. Tanks
fitted
with heatingcoils or in-lineheat exchangers
only.
D. IMO
typeIIchemical tankers only.
32. Thedesignpressureforacargocompartmentonachemicaltankertomeetthe
definitionand requirements of a
“pressuretank”mustbe:
A. Greater than
0.7 bar gauge.
B. Less than0.7 bar
gauge.
C. At least 1.0 bar gauge.
D. At least
2.1 bar gauge.
33. AGeneralCargovesseldevelopsanangleoflollwhileloadingaheavyitemof
deck cargo alongside thejetty. You should immediately:

B. Stopcargo,reduceFSEintanks,lowerweights withinvesselandfillsmallballasttankonhigh
side ofvessel.
C. Stopcargo,increase FSEintanks, lowerweights withinvesselandfill
small
ballast tank on high sideof vessel.
D. Stopcargo,increaseFSEintanks,lowerweightswithinvesselandempty small ballast tank on low sideof vessel.
34. A General
Cargo
vessel
is deemed to becargo
worthywhen:

B. All her certificates areinorder.
C. Thevessel's SafetyConstruction Certificate is valid.
D.
Thehatch covers and/orhatch
pontoons are watertight.

A.
Thetop of thesummer load linemark.
B. Thebottom of thesummerload line mark.
C. Thetop of thewintermark.
D.
Themid pointbetween thesummer
and the tropical
mark.
36. A general cargo
with
alargemetacentricheight (GM)would be expected to
have:
A. A fast rollperiod and largerighting
levers (GZLevers).
B. A fastroll period and
small righting levers (GZ
Levers).
C. A long rollperiod
and largerighting levers.
D. A
longroll period and
small righting levers (GZ Levers).

A. Completelyfillingtheship'sdoublebottom tanks andcontinuously monitoring the loading operation.
B. Completely fillingthosedoublebottomtanks belowthecargoholdwhereheavy cargois being
loaded.
C. Monitoring the vessel's stability during the loading operation
and not allowing the vessel to liston the
side ofthe load.
D.
Listing
thevessel
to theopposite sideto which theload
is being lifted.
38. Which
type of material
is normally used in the construction
of a cargo tank designed for
transportingLPG
at atmosphericpressure?

B. 9%Nickel steel.
C. Stainless
steel.
D. Aluminium.

A.
0.4Length
B. HalfLength
C. 0.6 oftheLength
D. Quarter
of theLength

A. 2.0 +0.02L
B. 2.0 +0.002L
C. 2.0 +0.15.l
D. 2.0
+0.0015L
41. What arethe
main elements in
adamage control plan?
A. Boundaries ofthe watertight compartments for decksandholds.Positionof
controlsfor opening
andclosingof watertightcompartments.Arrangement forcorrection
oflist due to flooding.
B. Arrangementsforcorrectionof
listdue toflooding within 15 minutes
C.
Instructionsandproceduresforreportingdamage to theCompany
D.
A damagecontrol plan is thesame
as anemergencyplan

A.
Cross flooding arrangement
B. Ballast trimming
system
C. Separate
trim tanks
D. Self
acting
ballast trimming
arrangement
43. WhatisthefullnameoftheInternationalConventiondealingwithstabilityof
passenger ships?
A.
TheInternational Convention
for theSafetyofLifeat Sea
B. SOLAS
C. International SafetyManagement code
D. ISPS
44. What is
the resultof alargemetacentricheight?

A.
Theship willroll violently.
B. Theship willhavealongroll period.
C. Bending
moment willincrease.
D.
The center ofgravitywillmove
upwards.
45. Alongoblongspaceaswouldbefoundinanafterupperdeck.Conventionalreefer vesselsareusually designedwithfinelinesandlargeflaredbows.Consequently,in adverseweatherconditions,especially
fromforwardofthebeam,thenavigating
officers need to be mainlyawareof
which of thegiven options?
A. Thistypeofvesselispronetolargehulldeflectionswhichmayresultin structural damage.
B. Thatthemainenginegovernormay
notbeeffectivewhenthevesselpitches heavily.
C. That
thebow is ideal forkeeping theforward decks
dryand
clear ofwater.
D. Thatthevesseldesignmeansthathighspeedscanbemaintainedandthe
perishablecargo
can bedelivered in good condition.
46. Earlier cellular reefer
vessels were constructed
with a 'porthole system' for
supplyingrefrigeratedairvia ductingtocontainers.Modern
vesselsaredesignedto supply only
electricalpowertointegralcontainers.Selectthemainreasonforthis
changein
design to the vessels and containers
from
theoptions given.
A.
The 'porthole' system design was
extremely complexandconstructioncosts
werehigh.
B. Ductedcontainershadtobetranshipped to theirfinal destination
after
discharge
and still required refrigeration for
that part of thesupplychain
C. Alargeamountofrefrigerantgaswasrequiredtooperatethe'porthole'
system.
D.
Theintroductionofmorepowerfuldieselenginesontothesevesselsmeant
theyhad sufficientelectrical capacityto supplytheintegral type containers.
47. Ifproperlysecuredwhatbenefitsdohighsidedcarcarriershaveoverothership
types regarding
seaworthiness?
A. They canroll to very large angles
without taking in water
B. Theyarenot easilydamaged
in heavyweather
C. Their large reserve
buoyancy
prevents capsizing
D. They canpitch to very large
angles without taking in waterviatheramp doors
48. Onarorovessel,inadditiontolongitudinal,transverseandverticalaccelerations whatelsemustbetakenintoaccountwhencalculatingtheexternalforcesactingon a
cargo unit?
A. Longitudinal and transverseforces
bywind pressure
B. Longitudinal
and verticalforces bywind
pressure
C. Vertical
and transverseforces bywind
pressure
D. Longitudinal
forces byseasloshing
49. What special
design featureis attributed
tororo vessels which areonlycarcarriers?
A. A verylargewindage area
B. A stern ramp
C. Solid
ballast

50. When willaro-ro vesselpitch
heavily?
A. When
wavelengths areequal
to the ship's length
B. When
wavelengths areequal
to twicethe ship's length
C. When
wave lengths areequal
to half
theship's length
D. Inconfused seas
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