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更多“单选题After crude oil is extracted from a well, it is usually piped to a refinery.A unrefined B toxic C transparent D turbid”相关问题
  • 第1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.

    A.inerted

    B.crude oil washed

    C.diluted

    D.cleaned


    正确答案:B

  • 第2题:

    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.operate

    B.check

    C.install

    D.overhaul


    正确答案:A

  • 第3题:

    Which statement is TRUE concerning deep well self-priming pumps ________.

    A.When loading oil cargo,it is always loaded via the discharge line through to the pump until the tank is topped off

    B.Stripping systems are generally eliminated for the purposes of cargo handling

    C.In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude ships

    D.There is no danger of damaging the pump from overheating


    正确答案:B

  • 第4题:

    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 system

    B.operate dedicated clean ballast tanks

    C.be fitted with segregated ballast tanks

    D.be fitted with washing system other than crude oil washing system

    Except________,the existing crude oil tankers may operate with any of the following installations.A.segregated ballast tanks

    B.cargo tank cleaning procedure using crude oil washing

    C.operate with dedicated clean ballast tanks

    D.protection position

    The 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 Convention

    B.until four years after the date of entry into force of the present Convention

    C.within one year after the tanker was first engaged in the trade of carrying crude oil

    D.by the end of the third voyage carrying crude oil

    It 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 washing

    B.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 tanks

    C.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 tanks

    D.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!


    问题 1 答案解析:A


    问题 2 答案解析:D


    问题 3 答案解析:B


    问题 4 答案解析:D

  • 第5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6题:

    单选题
    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

    operate

    B

    check

    C

    install

    D

    overhaul


    正确答案: A
    解析: 暂无解析

  • 第7题:

    单选题
    The crude oil overflowed from measuring-hole due to()the valve of No.1 tank.
    A

    not close

    B

    not closing

    C

    not have closed

    D

    no closing


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    Before a tank is to be crude oil washed,the oxygen content in the tank must be measured at a position().
    A

    immediately above the level of the oil

    B

    at the top of the tank

    C

    in the vent riser

    D

    one meter from the deck


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    Every()shall be fitted with a cargo tank cleaning system using crude oil washing.
    A

    existing crude oil tanker of 20000 tons deadweight and under

    B

    new crude oil tanker of 20000 tons deadweight and under

    C

    existing crude oil tanker of 20000 tons deadweight and above

    D

    new crude oil tanker of 20000 tons deadweight and above


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    When separating the lube oil without additive, it is usually cleaned with hot water; the aim is to remove () from it.
    A

    acid

    B

    sludge

    C

    mechanical impurity

    D

    salinity


    正确答案: A
    解析: 暂无解析

  • 第11题:

    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.
    A

    inerted

    B

    crude oil washed

    C

    diluted

    D

    cleaned


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    From the description in the passage, we learn that _____.
    A

    Burns is well known for his skill of writing letters

    B

    Shakespeare has received formal training in schools

    C

    creativity is usually based on the persistent practice

    D

    people can’t find anything to describe until after years of practices


    正确答案: A
    解析:
    推断题。由题干关键词可定位到文章第三段。该段第六句中的in letters意为“在文字、写作方面”,而不是说他擅长写信,故A项理解错误,可排除。选项B是对原文中莎士比亚直接继承了一个流派的曲解,故排除。D项的表述过于绝对,属于过度推断,也可排除。由第三段尾句可以看出,作者认为要培养独创性最重要的还是要坚持不懈的练习,故答案为C项。

  • 第13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.

    A.cargo loading operations

    B.cargo unloading operations

    C.cargo control operations in the transport

    D.crude oil washing


    正确答案:D

  • 第14题:

    The crude oil overflowed from measuring-hole due to ______ the valve of No.1 tank.

    A.not close

    B.not closing

    C.not have closed

    D.no closing


    正确答案:B

  • 第15题:

    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


    正确答案:A

  • 第16题:

    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 ship&39;s 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 product

    B.the crude oil is less pollutive than the product

    C.the crude oil and the product are equally pollutive

    D.it can not tell whether the crude oil or the product is more pollutive

    Ballast water ________ carried in cargo tanks on board of oil tankers.A.can be

    B.can not be

    C.can not,absolutely,be

    D.can,only in rare or exceptional cases,be

    This passage is most likely extracted from ________.A.Guide to Port Entry

    B.Notices to Mariners

    C.SOLAS

    D.MARPOL

    Assuming 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.3m

    B.4.5m

    C.6m

    D.7.5m

    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:A


    问题 2 答案解析:D


    问题 3 答案解析:D


    问题 4 答案解析:D

  • 第17题:

    单选题
    A lube oil filter can be used to remove most contaminants from lube oilA contaminant which will remain in the lube oil after filtering is ().
    A

    acid

    B

    fuel oil

    C

    sediment

    D

    water


    正确答案: B
    解析: 暂无解析

  • 第18题:

    单选题
    From the description in the passage, we learn that______.
    A

    Burns is well known for his skill of writing letters.

    B

    Shakespeare has received formal training in schools.

    C

    creativity is usually based on the persistent practice.

    D

    people can’t find anything to describe until after years of practices.


    正确答案: C
    解析:
    推断题由题干关键词定位到文章第三段。该段第六句中的in letters意为“在文字、写作方面”,而不是说他擅长写信,故A项理解错误,可排除。选项B是对原文中莎士比亚直接继承了一个流派的曲解,故排除。D项的表述过于绝对,属于过度推断,也可排除。由第三段尾句可以看出,作者认为要培养独创性最重要的还是要坚持不懈的练习,故答案为C项。

  • 第19题:

    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.
    A

    cargo loading operations

    B

    cargo unloading operations

    C

    cargo control operations in the transport

    D

    crude oil washing


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    After the ship is out of the harbour and in “Full Speed”, well change ().
    A

    to fuel oil instead of diesel oil

    B

    for fuel oil instead of diesel oil

    C

    to diesel oil into fuel oil

    D

    for diesel oil into fuel oil


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    The lube oil in the bearings is drawn from a (), usually located in the bedplate.
    A

    tank

    B

    sump

    C

    vessel

    D

    bottle


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    The rivers flow through some of the world’s grimiest areas, picking up oil, lead and other toxic materials, as well as fertilizer residues and nuclear fallout from Chernobly.
    A

    worldly

    B

    poisonous      

    C

    wholesome      

    D

    void


    正确答案: A
    解析: 句意:河流流经一些世界上最肮脏的地区,沿途携带了油状物、铅和其他有毒物质,还有化肥残渣和来自切尔诺贝利的核微尘。toxic有毒的。poisonous与之同义。worldly世俗的。wholesome卫生的,有益健康的。void空的。无效的。

  • 第23题:

    单选题
    We can draw a conclusion from the text that ______.
    A

    oil-price shocks are less shocking now

    B

    inflation seems irrelevant to oil-price shocks

    C

    energy conservation can keep down the oil prices

    D

    the price rise of crude leads to the shrinking of heavy industry


    正确答案: C
    解析:
    综合理解题。文章的主要内容着重于与20世纪70年代相比,现今的石油价格波动情况及其影响。从第三段开头阐明:“there are good reasons to expect the economic consequences now to be less severe than in the 1970s”,说明现今的情况没有70年代那么严重,也就是说现今的石油价格波动不会像以前那样对经济带来如此重大的影响。第四段开头进一步阐述到“Rich economies are also less dependent on oil than they were, and so less sensitive to swings in the oil price”,即石油价格波动已经没有以前那么激烈了。