单选题Crude oil washing of cargo tanks has the following advantages except for （）Areducing the erosion of the cargo tanksBincreasing the total quantity of oil to carryCreducing the quantity of water contained in oilDreducing cargo discharged time
单选题
Crude oil washing of cargo tanks has the following advantages except for （）
A
reducing the erosion of the cargo tanks
B
increasing the total quantity of oil to carry
C
reducing the quantity of water contained in oil
D
reducing cargo discharged time
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The complete details of a crude oil washing system aboard your vessel，including the operating sequences and procedures，design characteristics，a description of the system，and required personnel will be found in the ______.A.Oil Transfer Procedures ManualB.Crude Oil Washing Operations and Equipment ManualC.Code of Federal RegulationsD.Crude Oil Washing addendum to the Certificate of Inspection
In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been ______ before departure from an oil unloading port or terminal.A.inertedB.crude oil washedC.dilutedD.cleaned
Why is gas-freeing rarely required for LPG cargo tanks?A.LPG is compatible with all cargosB.LPG's high oxygen content makes it nonvolatileC.Cargo tanks are inspected less frequently than on oil tankersD.The cargo tanks are used for one type of cargo only
You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
The crude oil washing installation and associated equipment and arrangements shall ______ with the requirements established by the Administration.A.complyB.supplyC.provideD.deny
The port State control officer will ensure that ______ is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil washing system．A.cargo loading operationsB.cargo unloading operationsC.cargo control operations in the transportD.crude oil washing
Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall ______ the system in accordance with the requirements of that Regulation．A.operateB.checkC.installD.overhaul
Every existing product carriers of 40，000 tons deadweight and above shall be provided with segregated ballast tanks and shall comply with the specified requirements，or，alternatively，operate with ______ in accordance with the convention．A.crude oil washingB.dedicated clean ballast tanksC.cargo tank cleaning systemD.oil record book
Every new crude oil tanker of 20 000 tons deadweight and above shall be fitted with a cargo tank cleaning system using ______．A.Hot waterB.Cold waterC.ChemicalsD.Crude oil washing
Existing crude oil tankers may，______ being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the specified provision of the Regulation．A.As perB.In the consequence ofC.In accordance withD.In lieu of
What is NOT a requirement for the safe and effective use of a crude oil washing system ________．A.Strip all tanks and remove the bottom residueB.Use an inert gas system while washing tanksC.Use portable washing machines to reach areas obscured by structural members in the tanksD.Debottom the tank used as the source for the tank cleaning machines
You are planning to use a crude oil washing system．What precaution must be taken with the tank as the source for the washing machines ________．A.It must be debottomed and the level lowered by at least one meterB.The oil in the source tank must be sampled for compatibilityC.The source tank must have been crude oil washed at least once in the past 150 daysD.The inert gas system must lower the oxygen content to a maximum of 12% oxygen in the tank
材料：Every new crude oil tanker of 20000 tons deadweight and above shall be fitted with a cargo tank cleaning system using crude oil washing．The Administration shall undertake to ensure that the system fully complies with the requirements of MARPOL within one year after the tanker was first engaged in the trade of carrying crude oil or by the end of the third voyage carrying crude oil suitable for crude oil washing，whichever occurs later．Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall operate the system in accordance with the requirements of that Regulation．Every existing crude oil tanker of 40000 tons deadweight and above shall be provided with segregated ballast tanks．Existing crude oil tankers may，in lieu of being provided with segregated ballast tanks，operate with a cargo tank cleaning procedure using crude oil washing unless the crude oil tanker is intended to carry crude oil which is not suitable for crude oil washing．Existing crude oil tankers may，in lieu of being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the provision of Regulation 13A of this Annex for the following period：for crude oil tankers of 70 000 tons deadweight and above，until two years after the date of entry into force of the present Convention；and for crude oil tankers of 40000 tons deadweight and above but below 70 000 tons deadweight，until four years after the date of entry into force of the present Convention．问题：A new crude oil tanker of 30000 tons deadweight shall ________．A.be fitted with crude oil washing systemB.operate dedicated clean ballast tanksC.be fitted with segregated ballast tanksD.be fitted with washing system other than crude oil washing systemExcept________，the existing crude oil tankers may operate with any of the following installations．A.segregated ballast tanksB.cargo tank cleaning procedure using crude oil washingC.operate with dedicated clean ballast tanksD.protection positionThe latest date for an existing crude oil tanker of 60000 tons deadweight to install dedicated clean ballast tanks is ________．A.until two years after the date of entry into force of the present ConventionB.until four years after the date of entry into force of the present ConventionC.within one year after the tanker was first engaged in the trade of carrying crude oilD.by the end of the third voyage carrying crude oilIt is inferred that ________．A.all oil tankers，both the newly built and existing ones，shall be fitted with a cargo tank cleaning system using crude oil washingB.a new crude oil tanker of 20 000 tons deadweight and above may，in lieu of being provided with crude oil washing system，operate with segregated ballast tanksC.a new crude oil tanker of 20 000 tons deadweight and above may，in lieu of being provided with crude oil washing system，operate with dedicated clean ballast tanksD.a new crude oil tanker of 20 000 tons deadweight and above shall not be fitted with a cargo tank cleaning system using crude oil washing immediately after her entry in the trade of carrying crude oil请帮忙给出每个问题的正确答案和分析，谢谢！
材料：Every new crude oil tanker of 20000 tons deadweight and above and every new product carrier of 30000 tons deadweight and above shall be provided with segregated ballast tanks．The capacity of the segregated ballast tanks shall be so determined that the ship may operate safely on ballast voyages without recourse to the use of cargo tanks for water ballast．In all cases，however，the capacity of segregated ballast tanks shall be at least such that，in any ballast condition at any part of the voyage，including the conditions consisting of lightweight plus segregated ballast only，the ship’s draughts and trim can meet each of the following requirements：（a）The moulded draught amidships（dm）meters（without taking into account any ships deformation）shall not be less than dm = 2.0 + 0.02L；（b）The draughts at the forward and after perpendiculars shall correspond to those determined by the draught amidships（dm）as specified in sub-paragraph（a）of this paragraph，in association with the trim by the stern of not greater than 0.015L；and（c）In any case the draught at the after perpendicular shall not be less than that which is necessary to obtain full immersion of the propeller．In no case shall ballast water be carried in cargo tanks，except on those rare voyages when weather conditions are so severe that，in the opinion of the master，it is necessary to carry additional ballast water in cargo tanks for the safety of the ship，or，in exceptional cases where the particular character of the operation of an oil tanker renders it necessary to carry ballast water in excess of the quantity required，provided that such operation of the oil tanker falls under the category of exceptional cases as established by the Organization．问题：According to this passage，it is inferred that ________．A.the crude oil is more pollutive than the productB.the crude oil is less pollutive than the productC.the crude oil and the product are equally pollutiveD.it can not tell whether the crude oil or the product is more pollutiveBallast water ________ carried in cargo tanks on board of oil tankers．A.can beB.can not beC.can not，absolutely，beD.can，only in rare or exceptional cases，beThis passage is most likely extracted from ________．A.Guide to Port EntryB.Notices to MarinersC.SOLASD.MARPOLAssuming the length of a crude oil tanker is 200m，her max aft draft corresponding to her displacement of lightweight plus segregated ballast only should be ________．A.3mB.4.5mC.6mD.7.5m请帮忙给出每个问题的正确答案和分析，谢谢！
材料：The crude oil washing installation and associated equipment and arrangements shall comply with the requirements established by the Administration．Such requirements shall contain at least all the provisions of Specifications for the Design，Operation and Control of Crude Oil Washing Systems adopted by the International Conference on Tanker Safety and Pollution Prevention，1978，in Resolution 15 and as may be revised by the Organization．An inert gas system shall be provided in every cargo tank and slop tank in accordance with the appropriate Resolutions of Chapter II-2 of SOLAS．With respect to the ballasting of cargo tanks，sufficient cargo tanks shall be crude oil washed prior to each ballast voyage in order that，taking into account the tankers trading pattern and expected weather conditions，ballast water is put only into cargo tanks which have been crude oil washed. Every oil tanker operating with crude oil washing systems shall be provided with an Operations and Equipment Manual detailing the system and equipment and specifying operational procedures．Such a Manual shall be to the satisfaction of the Administration and shall contain all the information set out in the Specifications referred to in this Regulation．If an alteration affecting the crude oil washing system is made，the Operations and Equipment Manual shall be revised accordingly．问题：According to this passage，with respect to the ballasting of cargo tanks，ballast water is put only into ________．A.slop tanks which have been cleaned with waterB.gas freed cargo tanksC.inertized cargo tanksD.cargo tanks which have been crude oil washed________ shall be approved by the Administration．A.Specifications for the Design，Operation and Control of Crude Oil Washing SystemsB.Appropriate Resolutions of Chapter II-2 of SOLASC.An Operations and Equipment Manual detailing the crude oil washing system and equipment and specifying operational proceduresD.International Conference on Tanker Safety and Pollution Prevention，1978This paragraph is most likely extracted from________．A.MARPOL 73/78B.SOLASC.IBCD.IGCIt can be concluded that ________．A.it is not necessary to do crude oil washing prior to ballast voyageB.taking into account the tanker's trading pattern and expected weather conditions，it is sometimes necessary to do crude oil washing after each ballast voyageC.if it is possible ballast water shall always be put into cargo tanks prior to commencing their crude oil washing operationsD.sufficient cargo tanks shall be crude oil washed prior to each ballast voyage in order that the tanker could be kept properly ballasted without breaking any regulations in connection with ballasting of cargo tanks请帮忙给出每个问题的正确答案和分析，谢谢！
单选题Which of the following represents the maximum percent of oxygen by volume required to be achieved by a ship’s inert gas system, prior to the commencement of crude oil tank washing?（）A6%B8%C10%D12%
单选题Why is gas-freeing rarely required for LPG cargo tanks? （）ALPG is compatible with all cargosBLPG's high oxygen content makes it nonvolatileCCargo tanks are inspected less frequently than on oil tankersDThe cargo tanks are used for one type of cargo only
单选题You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? （）AWashing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedBThe hoses to portable cleaning machines should be disconnected before the machines are removed from the tankCThe principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueDSteam cleaning and water washing are both capable of generating electrostatic charges within a tank
单选题The port State control officer will ensure that（）is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil washing system.Acargo loading operationsBcargo unloading operationsCcargo control operations in the transportDcrude oil washing
单选题Crude oil washing of cargo tanks has the following advantages except for （）Areducing the erosion of the cargo tanksBincreasing the total quantity of oil to carryCreducing the quantity of water contained in oilDreducing cargo discharged time
单选题A SYSTEM OF CLEANING THE TANKS BY WASHING THEM WITH THE CARGO OF CRUDE OIL WHILE IT IS BEING DISCHARGED is known as（）.ACOWBLOTCCBTDcoferdam
单选题Every new crude oil tanker of 20000 tons deadweight and above shall be fitted with a cargo tank cleaning system using（）.Ahot waterBcold waterCchemicalsDcrude oil washing
单选题By regulation，cargo tanks must be inert before and during what operation?（）.AStrippingBLoadingCCleaningDCrude oil washing
单选题Existing crude oil tankers may，（）being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the specified provision of the Regulation.Aas perBin the consequence ofCin accordance withDin lieu of
单选题The complete details of a crude oil washing system aboard your vessel，including the operating sequences and procedures，design characteristics，a description of the system，and required personnel will be found in the（）.AOil Transfer Procedures ManualBCrude Oil Washing Operations and Equipment ManualCCode of Federal RegulationsDCrude Oil Washing addendum to the Certificate of Inspection
单选题Sufficient cargo tanks shall be（）prior to each ballast voyage in order that，taking into account the tanker’s trading pattern and expected weather conditions，ballast water is put only into cargo tanks which have been crude oil washed.AinertedBcrude oil washedCgas freedDbatterned down
单选题Every（）shall be fitted with a cargo tank cleaning system using crude oil washing.Aexisting crude oil tanker of 20000 tons deadweight and underBnew crude oil tanker of 20000 tons deadweight and underCexisting crude oil tanker of 20000 tons deadweight and aboveDnew crude oil tanker of 20000 tons deadweight and above
单选题In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been（）before departure from an oil unloading port or terminal.AinertedBcrude oil washedCdilutedDcleaned