You have completed a crude oil wash．What action should be taken with the oil in the lines running to the washing machines ________．A.Open a COW nozzle forward and one aft and drain the line into the after tank by gravityB.Blow the line out using compressed airC.Pull a suction using the supply line pumpD.Close off all valves in the system and leave the oil in the line primed for the next crude oil wash
You have completed a crude oil wash．What action should be taken with the oil in the lines running to the washing machines ________．
A.Open a COW nozzle forward and one aft and drain the line into the after tank by gravity
B.Blow the line out using compressed air
C.Pull a suction using the supply line pump
D.Close off all valves in the system and leave the oil in the line primed for the next crude oil wash
相关考题：
The main propulsion diesel continues running after you try to shut down. You should now attempt to .A.stop the fuel oil booster pumpB.engage the jacking gearC.secure the lube oil pumpD.shut off the fuel at the settling tank
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
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 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 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 on a tanker discharging oil．When all of the oil that the main cargo pumps can handle is pumped out of a tank，the remainder is ______．A.Stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumpsB.Stripped to one tank and then pumped out with the main pumpsC.Stripped out and pumped directly ashore after all the tanks have been emptied by the main pumpsD.Gravitated to the centers from the wings and pumped out with the main pumps
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
You are planning to use the crude oil washing system on your tanker．What is required to prevent electrostatic buildup in the tanks ________．A.The portable machines should be set at the proper drop for the first wash before the fixed machines are usedB.The tank used as the source for the tank cleaning machines should be debottomed for at least one meterC.The inert gas system must reduce the oxygen content in the tank to at least 18%D.The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential
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：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Your vessel is taking on bunkers from a shore side facility, if oil begins flowing from one tank vent, which of the following actions should be taken FIRST?（）AOpen the intake valve to an adjacent tankBSet out drip pans and sawdust and begin to mop up the spillCSignal the shore control point to shutdownDClose the valve on the tank vent line
单选题Your vessel is at a dock taking bunkers through a pipe laid down on the dock. If oil begins to flow out of a tank vent，what should you do FIRST?（）AOpen the intake valve to an adjacent tankBSet out drip pans and sawdust and begin to mop up the spillCSignal the shore control point to shut downDClose the valve on the tank vent line
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You are anchoring in a river where the current is from one direction only.The best way to lay out two anchors is to have them（）.ADirectly in line with the bowBSide by side，with their lines on the port and starboard sideCSo that their lines form an angleDOn top of one another
单选题The lubricating oil is pumped from the drain tank, very often with （） in the suction line.Aa filterBa strainerCa magnetic filterDa fine strainer
单选题Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）APut one line at the low point and one at the high point of the bollard so they don't touchBTake the eye of the second line up through the eye of the first line before putting the second line on the bollardCNever put two mooring lines on the same bollardDThe mooring line forward should be put on the bollard first
单选题In the process of the shafting management, special attention should be paid to（）Aon the sailing, the water in the aft peak tank should be excluded as much as possibleBthe stuffing style ahead sealing shouldn’t have any water leaking outCSimplex astern sealing shouldn’t have any oil leaking outDSimplex ahead sealing can have some oil leaking out
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When fueling has been completed（）.Athe fuel tank fill pipe should be left open to allow vapors to vent from the tankBthe engine should be started immediately to prevent vapor lock in the fuel lineCall hatches should be opened and all compartments should be ventilatedDopen the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
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In a bypass type lubrication system for a diesel engine, the dirty oil line to the centrifuge should be taken from the （）.Alube oil pump suction lineBlube oil pump discharge lineCbottom of the lube oil sumpDoutlet from the lube oil header
单选题The amount of lubricating oil in the drain tank should be checked by （）.AmeasuringBsounding rodCmeteringDweighting