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The operation of which aids to navigation may be suspended during war or national emergency ________．A.Navigational satellitesB.LoranC.OmegaD.Any of the above

题目

The operation of which aids to navigation may be suspended during war or national emergency ________．

A.Navigational satellites

B.Loran

C.Omega

D.Any of the above

相似考题

1.In the following statements about graph operations，which one is NOT correct?A．Finding critical path is an operation on directed graphB．Finding critical path is an operation on undirected graphC．Spanning tree of a graph may not be uniqueD．Minimum spanning tree of a graph may not be unique

2.During the PSC inspection, under the provision of SOLAS74, which one may not be regarded as clear grounds for ships' detainment?A.excess amount of oily-water mixtures in bilgesB.insulation of piping including exhaust pipes in engine room contaminated by oilC.improper operation of bilge pumping arrangementsD.paint peeling off the uptake

3.材料：Navigation in the canalIt is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the Canal，and Master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area.Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．问题：PILOT HOUSE is referred to ______ in this passage．A.the cabin in which the pilot staysB.the space in which the rudder is locatedC.the bridge of vesselsD.the cabin which is prepared for the pilotSHIPPING is referred to ______ in this passage．A.he operations of transportation of goods by seaB.the procedures of marine transportation businessC.the management of marine transportation businessD.the vessels and shipsThe author implies that ______ ．A.even by making use of modern instrument it is difficult to maintain safety in this areaB.mariners should take it easy when navigating in this areaC.modern instrument should be used to control the safety of navigation in this areaD.it is dangerous when navigating in this areaThe person on the bridge or in the pilot house shall be those ______ ．A.who are recommendedB.who are familiar with the navigation，management，operation and safety controlC.who are directly involved in the navigation，management，operation and safety controlD.who have nothing to do with the navigation，management，operation and safety control请帮忙给出每个问题的正确答案和分析，谢谢！

4.Navigation lights must be displayed in all weathers from sunset to sunrise. They also _____.A.must be displayed when day signals are being usedB.must be displayed when moored to a pierC.may be extingushed at night on open waters when no other vessels are in the areaD.may be displayed during daylight

更多“The operation of which aids to navigation may be suspended during war or national emergenc ”相关问题

  • 第1题：

    Defense plans may cause the operation of electronic aids to navigation to be suspended with ______.

    A.no notice

    B.one day's notice

    C.a week's notice

    D.thirty (30) days notice


    正确答案：A

  • 第2题：

    Under defense plans，operation of electronic aids may be temporarily suspended with ______．

    A.one day's notice

    B.no notice

    C.thirty（30）day's notice

    D.a week's notice


    正确答案：B

  • 第3题：

    材料：

    It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the canal，and master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．

    Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area. Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．

    问题：

    PILOT HOUSE is referred to ________ in this passage．

    A.the cabin in which the pilot stays

    B.the space which the rudder is located

    C.the bridge of vessels

    D.the cabin which is prepared for the pilot

    SHIPPING is referred ________ in this passage．A.the operations of transportation of GOODs by sea

    B.the procedures of marine transportation business

    C.the management of marine transportation business

    D.the vessels and ships

    The person on the bridge or in the pilot house shall be those ________．A.who are recommended

    B.who are familiar with the navigation．management．Operation and safety control

    C.who are directly involved in the navigation，management，operation and safety control

    D.who have nothing to do with the navigation，management，operation and safety control

    The author implies that ________．A.even by making use of modern instrument it is difficult to maintain safety in this area

    B.mariners should take it easy when navigating in this area

    C.modern instrument should be used to control the safety of navigation in this area

    D.it is dangerous when navigating in this area

    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：C


    问题 2 答案解析：D


    问题 3 答案解析：C


    问题 4 答案解析：D

  • 第4题：

    单选题
    During the PSC inspection under the provision of SOLAS 74, which one may be regarded as clear grounds for ships’ detainment?（）
    A

    failure of proper operation of propulsion

    B

    paint peeling off the uptake

    C

    no operation procedures for the oil separators

    D

    damaged sanitary pump


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    Mariners should ensure correct（）of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.
    A

    identification

    B

    distinction

    C

    discrimination

    D

    clearly seeing


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    Defense plans may cause the operation of electronic aids to navigation to be suspended with （）.
    A

    no notice

    B

    one day's notice

    C

    a week's notice

    D

    thirty (30) days notice


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    The operation of which aids to navigation may be suspended during war or national emergency（）.
    A

    Navigational satellites

    B

    Loran

    C

    Omega

    D

    Any of the above


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    What is TRUE about hoisting operations?（）
    A

    Personnel may work beneath suspended loads，as long as they are alert and wear hard hats

    B

    If a suspended load with no tag begins to spin，personnel should attempt to stop the spinning if the load is within reach

    C

    If tag lines are used to control a suspended load，they should be secured to the deck

    D

    Personnel not involved in the hoisting operation should be kept clear of the transfer area


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    By regulation，cargo tank atmosphere must be inert before and during which operation?（）
    A

    Stripping

    B

    Loading

    C

    Cleaning

    D

    All of the above


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following parameters would you use to record the errors that might be generated during the import operation？（）
    A

    LOG

    B

    HELP

    C

    BUFFER

    D

    PARFILE

    E

    INCTYPE


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）
    A

    excess amount of oily-water mixtures in bilges

    B

    insulation of piping including exhaust pipes in engine room contaminated by oil

    C

    improper operation of bilge pumping arrangements

    D

    there were an actual emergency


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following is NOT cited as an example of the resurgence of Welsh national identity?
    A

    Welsh has witnessed a revival as a national language.

    B

    Poverty-relief funds have come from the European Union.

    C

    A Welsh national airline is currently in operation.

    D

    The national symbol has become a familiar sight.


    正确答案： B
    解析：
    文章第三段末尾提到了欧盟的资金援助以解决威尔士的贫穷问题，作者举这个例子的目的在于表明威尔士现在正往好的方向发展。而题目问的是不能作为威尔士国家意识苏醒的例子，故B不符合要求。第一段第二句提到中央通过财政支持并采取一系列的措施来扭转威尔士语面临消失的现状，如今威尔士语已经是欧洲的regional language了；第四段第四五句提到以威尔士命名的国家航空公司现在正在运营中；第六句提到作为国家象征的红色的龙如今到处都是，这三方面都是国家认同感复苏的表现，故选项A、C、D符合要求。

  • 第13题：

    The Experimental Lighthouse-buoy has no navigational significance and may be removed at will．The above sentence means ______.

    A.It's of no use for navigation and would be removed with notice

    B.It's useful in navigation and may be removed without notice

    C.It's helpless in navigation and may be removed without notice

    D.It's helpful in navigation and may be removed without notice


    正确答案：C

  • 第14题：

    By regulation，cargo tank atmosphere must be inert before and during which operation ________．

    A.Stripping

    B.Loading

    C.Cleaning

    D.All of the above


    正确答案：D

  • 第15题：

    We may draw a conclusion that_______during a war.

    A.the Red Cross only protects the wounded
    B.the Red Cross only helps prisoners of war
    C.the Red Cross only helps citizens
    D.the Red Cross helps all the people in need no matter which side they are fighting for

    答案：D
    解析：

  • 第16题：

    单选题
    The prohibition against displaying lights which may be confused with required navigation lights applies（）.
    A

    from sunset to sunrise and during restricted visibility

    B

    only when other vessels are in the area

    C

    only when operating in a traffic separation scheme

    D

    only when under tow


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    Preferred channel marks are aids to navigation which all following marks other than（）．
    A

    channel junctions

    B

    bifurcations

    C

    fishing traps

    D

    wrecks or obstructions


    正确答案： C
    解析： 暂无解析

  • 第18题：

    单选题
    All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
    A

    location

    B

    height of light above water

    C

    luminous range

    D

    light characteristics


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）
    A

    failure of the proper operation of emergency generator

    B

    insulation of piping including exhaust pipes in engine room contaminated by oil

    C

    improper operation of bilge of bilge of bilge pumping arrangements

    D

    damaged sanitary pump


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    The temperature of the fuel oil received during bunkering operation is critical in determining the （）
    A

    expansion space to leave in a tank

    B

    flash point at which the fuel will burn

    C

    temperature to which the fuel must be heated

    D

    rate at which the fuel can be pumped during transfer operations


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Before a Flashback Table operation, you execute the following command: ALTER TABLE employees ENABLE ROW MOVEMENT; Why would you need this to be executed?（）
    A

    Because row IDs may change during the flashback operation

    B

    Because the object number changes after the flashback operation

    C

    Because the rows are retrieved from the recycle bin during the flashback operation

    D

    Because the table is moved forward and back to a temporary during the flashback operation


    正确答案： D
    解析： 暂无解析

  • 第22题：

    单选题
    During the PSC inspection, under the provisions of SOLAS 74, which one may not be regarded as clear grounds for ships’ detainment?（）
    A

    failure of the proper operation of the main steering gear

    B

    failure of the proper operation of electrical installations

    C

    leakage of domestic water pump

    D

    insulation of exhaust pipes in engine room contaminated by oil


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    During the watch at sea, where situations occur in the machine apace which may affect the speed maneuverability, power supply or other essentials for the safe operation of the ship（）should be informed as soon as possible.
    A

    the chief engineer

    B

    the master

    C

    the bridge

    D

    the company superintendent


    正确答案： A
    解析： 暂无解析

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