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

题目

Why is gas-freeing rarely required for LPG cargo tanks?

A.LPG is compatible with all cargos

B.LPG's high oxygen content makes it nonvolatile

C.Cargo tanks are inspected less frequently than on oil tankers

D.The cargo tanks are used for one type of cargo only

相似考题

1.A segregated ballast system is a system whereA.all ballast is processed through the oily water separatorB.ballast is taken on and discharged through a separate main deckC.ballast and cargo tanks are separated by cofferdamsD.all ballast lines, tanks, and pumps are independent of those used for oil

2.While underway and towing an unmanned tank barge you are required to ______.A.maintain a strict watch on the barge from the towing vesselB.fly a red flag from the towing vesselC.open the tops of all empty tanks on the bargeD.take hourly soundings of any loaded tanks on the barge

3.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

4.In most cases，the mere reception or dumping down of the cargo on the ship ______ involve completion of loading，because the operation of loading involves all that is required to put the cargo in a condition in which it can be carried．A.is notB.has notC.do notD.does not

更多“Why is gas－freeing rarely required for LPG cargo tanks?A.LPG is compatible with all cargos ”相关问题

  • 第1题：

    Generally speaking，the heavier cargo will go into the ______，distributing it evenly fore and aft，the lighter cargo will probably be placed in the ______．

    A.Deep tanks/lower holds

    B.Lower holds/tweendecks

    C.Tweendecks/deep tanks

    D.Deep tanks/tweendecks


    正确答案：B

  • 第2题：

    What is NOT required to be contained in the oil transfer procedures ________．

    A.A line diagram of the vessel's oil transfer piping

    B.The number of persons on duty during oil transfer operations

    C.Any special procedures for topping off tanks

    D.The location and capacity of all fuel and cargo tanks on the vessel


    正确答案：D

  • 第3题：

    Which spaces are required to be segregated from cargo tanks carrying grades A，B，C，or D cargoes ________．

    A.Pump rooms

    B.Enclosed deck spaces

    C.Cofferdams

    D.Navigation spaces


    正确答案：D

  • 第4题：

    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 tanker&39;s 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 water

    B.gas freed cargo tanks

    C.inertized cargo tanks

    D.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 Systems

    B.Appropriate Resolutions of Chapter II-2 of SOLAS

    C.An Operations and Equipment Manual detailing the crude oil washing system and equipment and specifying operational procedures

    D.International Conference on Tanker Safety and Pollution Prevention，1978

    This paragraph is most likely extracted from________．A.MARPOL 73/78

    B.SOLAS

    C.IBC

    D.IGC

    It can be concluded that ________．A.it is not necessary to do crude oil washing prior to ballast voyage

    B.taking into account the tanker's trading pattern and expected weather conditions，it is sometimes necessary to do crude oil washing after each ballast voyage

    C.if it is possible ballast water shall always be put into cargo tanks prior to commencing their crude oil washing operations

    D.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！


    问题 1 答案解析：D


    问题 2 答案解析：C


    问题 3 答案解析：A


    问题 4 答案解析：A

  • 第5题：

    石油／矿石兼用船称为（　　）。
    A．LPG
    B．O／O
    C．OBO
    D．RO／RO


    答案：B
    解析：
    石油／矿石兼用船（Oil and Ore：简称为O/O），是兼运船的一种。

  • 第6题：

    In dry cargo ships, the cargo space is divided into（）.

    • A、tankers
    • B、holds
    • C、tank
    • D、tanks

    正确答案:B

  • 第7题：

    单选题
    Why is gas-freeing rarely required for LPG cargo tanks? （）
    A

    LPG is compatible with all cargos

    B

    LPG's high oxygen content makes it nonvolatile

    C

    Cargo tanks are inspected less frequently than on oil tankers

    D

    The cargo tanks are used for one type of cargo only


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    A vessel is required to carry an Oil Record Book Part I to log entries in the book regarding the （）.
    A

    discharge of ballast or cleaning water from fuel tanks

    B

    sounding levels of all fuel tanks on a daily basis

    C

    grade and specific gravity of all fuel oil carded

    D

    fuel consumption rates on a weekly basis


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    Generally speaking , the heavier cargo will go into the（）,distributing it evenly fore and aft, the lighter cargo will probably be placed in the（）.
    A

    deep tanks/lower holds

    B

    lower holds/tweendecks

    C

    tweendecks/deep tanks

    D

    deep tanks/tweendecks


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    An inert gas system is designed to reduce the possibility of tank explosions by（）.
    A

    eliminating sparks and fire in the vicinity of cargo tanks

    B

    removing all hydrocarbon gases from the cargo tanks

    C

    blanketing cargo tanks with inert foam

    D

    reducing the oxygen concentration below levels necessary for combustion


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    In（） ships, the cargo space is divided into tanks.
    A

    container

    B

    dry cargo

    C

    bulk

    D

    liquid cargo


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    按照SOLAS的油船货油舱的隔离的要求：Cargo pump-rooms， cargo tanks， slop tanks and cofferdams shall be positioned forward of machinery spaces. However， oil fuel bunker tanks need not be forward of machinery spaces. Cargo tanks and slop tanks shall be isolated from machinery spaces by cofferdams， cargo pump-rooms， oil bunker tanks or ballast tanks. Pump-rooms containing pumps and their accessories for ballasting those spaces situated adjacent to cargo tanks and slop tanks and pumps for oil fuel transfer， shall be considered as equivalent to a cargo pump-room within the context of this regulation provided that such pump rooms have the same safety standard as that required for cargo pump-rooms.问：对于某29.7万载重吨的VLCC船型，关于货油舱的隔离，下列哪一项不必位于机器处所的前方：（）
    A

    货油泵舱；

    B

    货油舱；

    C

    污油舱（SLOP TANK）；

    D

    燃油舱


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Valves on steam-smothering lines to cargo tanks shall be set with ______．

    A.The master control valve shut and valves to individual cargo tanks shut

    B.The master control valve open and valves to individual cargo tanks shut

    C.The master control valve shut and valves to individual cargo tanks open

    D.All valves open


    正确答案：C

  • 第14题：

    Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapors in tanks ________．

    A.A flame safety lamp

    B.A combustible gas indicator

    C.A liquid cargo meter

    D.All of the above


    正确答案：B

  • 第15题：

    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 pumps

    B.Stripped to one tank and then pumped out with the main pumps

    C.Stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps

    D.Gravitated to the centers from the wings and pumped out with the main pumps


    正确答案：B

  • 第16题：

    An inert gas system is designed to reduce the possibility of tank explosions by ______.

    A.eliminating sparks and fire in the vicinity of cargo tanks

    B.removing all hydrocarbon gases from the cargo tanks

    C.blanketing cargo tanks with inert foam

    D.reducing the oxygen concentration below levels necessary for combustion


    正确答案：D
    惰性气体系统用于减少油舱爆炸的可能性是通过降低氧气浓度到低于燃烧必需的水平。

  • 第17题：

    In liquid cargo ships, the（） is divided into tanks.

    • A、cargo space
    • B、hold
    • C、hatch
    • D、room

    正确答案:A

  • 第18题：

    单选题
    In most cases，the mere reception or dumping down of the cargo on the ship（）involve completion of loading，because the operation of loading involves all that is required to put the cargo in a condition in which it can be carried．
    A

    is not

    B

    has not

    C

    do not

    D

    does not


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    A ship which is required to carry an Oil Record Book must log in the book（）.
    A

    discharge of ballast or cleaning water from fuel tanks

    B

    sounding levels of all fuel tanks on a daily basis

    C

    the grade and specific gravity of all fuel oil carried

    D

    fuel consumption rates on a weekly basis


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    Ballast water can only be（）in cargo tanks 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.
    A

    carried

    B

    contained

    C

    filled

    D

    stuffed


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    While underway and towing an unmanned tank barge you are required to（）.
    A

    maintain a strict watch on the barge from the towing vessel

    B

    fly a red flag from the towing vessel

    C

    open the tops of all empty tanks on the barge

    D

    take hourly soundings of any loaded tanks on the barge


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    In no case shall ballast water be carried in cargo tanks，（）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.
    A

    besides

    B

    in particular

    C

    incase of

    D

    except


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Which statement is TRUE concerning the tandem working arrangement of pedestal cranes when completing a quad lift? （）
    A

    The discharge is slow due to the size of the cargo and all the cranes working together

    B

    The cargo discharge can be accomplished with controlled pendulation

    C

    The cargo discharge can be performed in port or at anchor

    D

    The cranes enable the handling of heavy cargos without shoreside assistance


    正确答案： B
    解析： 暂无解析

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