When carrying a cargo of asphalt or molten sulfur,which are carried at temperatures of over 300°F,one of the biggest dangers is ______.A.water in the tanks or pipelinesB.having the cargo too coolC.explosion of vapors after dischargeD.inadequate ullage spa

题目

When carrying a cargo of asphalt or molten sulfur,which are carried at temperatures of over 300°F,one of the biggest dangers is ______.

A.water in the tanks or pipelines

B.having the cargo too cool

C.explosion of vapors after discharge

D.inadequate ullage space


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  • 第1题:

    You are carrying triethylamine,methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true?

    A.Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes

    B.Methyl methacrylate may not be carried in a tank adjacent to a pump room

    C.Methyl methacrylate must usually be heated to maintain its stability

    D.Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine


    正确答案:A

  • 第2题:

    Which barge in your tow would require a cargo information card to be carried in the pilothouse ________.

    A.A tank barge with a sign reading No Visitors,No Smoking,No Open Lights

    B.An open hopper barge carrying coal

    C.A gas-free chlorine barge

    D.An empty(not gas-free)barge that last carried benzene


    正确答案:D

  • 第3题:

    Regulations require that cargo tanks in which grades B or C liquids are carried must be vented with which of the following ________.

    A.Gooseneck vents

    B.Flame screens

    C.Pressure vacuum relief valves

    D.Forced draft blowers


    正确答案:C

  • 第4题:

    You are on a tanker designed to carry molten sulfur.Which statement is TRUE ________.

    A.There must be two portable toxic vapor detectors on board

    B.The cargo tank ventilation system must maintain the H2S vapor concentration at 1.85% or more by volume

    C.Cargo temperature may be taken by portable thermometers

    D.The pressure in the heating coils in the tanks must be less than that of the cargo exerted on them


    正确答案:C

  • 第5题:

    The moisture equilibrium chart can be used to determine the ______.

    A.Absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists

    B.Dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity

    C.Enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo

    D.Temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo


    正确答案:B

  • 第6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7题:

    单选题
    You are carrying triethylamine,methyl methacrylate and isoprene in your multiple-product tanker. Which of the following statements is true? ()
    A

    Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes

    B

    Methyl methacrylate may not be carried in a tank adjacent to a pump room

    C

    Methyl methacrylate must usually be heated to maintain its stability

    D

    Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    Which of the listed methods of heat transfer takes place when two substances of different temperatures are in physical contact with each other?()
    A

    Radiation

    B

    Conduction

    C

    Convection

    D

    Each of the above


    正确答案: A
    解析: 暂无解析

  • 第9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10题:

    单选题
    The moisture equilibrium chart can be used to determine the().
    A

    Absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists

    B

    Dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity

    C

    Enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo

    D

    Temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    At any rate ()is liable for delay in obtaining the necessary Customs House papers for discharging,when the delay arises from the fact that special papers are required for the particular cargo carried.
    A

    the Charterer

    B

    the Shipowner

    C

    the Shipper

    D

    the Receiver


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    When travelling, you are advised to take travellers’ checks, which provide a secure_____ to carrying your money in cash.
    A

    substitute

    B

    selection

    C

    preference

    D

    alternative


    正确答案: B
    解析:
    句意:旅行时你应该采用旅行支票,这是比你带现金安全的选择。alternative选择,替换物。substitute代用品。selection选择,挑选。preference偏爱;优先选择。

  • 第13题:

    ______ include goods,wares,merchandise,and articles of every kind whatsoever except live animals and cargo which by the contract of carriage is stated as being carried on deck and is so carried.

    A.Goods

    B.Things

    C.Items

    D.Articles


    正确答案:A

  • 第14题:

    Your tow includes a barge carrying chlorine.Which special requirements must be observed ________.

    A.The wing voids shall not be opened when underway

    B.You must post a deckhand to keep a special watch on this barge

    C.A cargo information card for chlorine must be in the pilothouse

    D.All of the above


    正确答案:C

  • 第15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16题:

    Your tanker is carrying a cargo of styrene.Which of the following is NOT a requirement for carriage of this cargo ________.

    A.P/V valves with galvanized parts must be replaced

    B.Authorization to carry styrene must be endorsed on the Certificate of Inspection

    C.You must have a Certificate of Inhibition provided by the shipper

    D.The cargo tank heating coils must be blanked off


    正确答案:A

  • 第17题:

    Which of the following cargo is not carried in refrigerated ships?()

    • A、Grain.
    • B、Fruit.
    • C、Meat.
    • D、Fish.

    正确答案:A

  • 第18题:

    单选题
    Deadweight,which is the cargo carrying capacity of a vessel in tons,is determined by().
    A

    Loaded displacement minus light displacement

    B

    Gross tonnage minus net tonnage

    C

    Loaded displacement minus net tonnage

    D

    Light displacement minus the weight of the vessel


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    Which of the following cargo is not carried in refrigerated ships?()
    A

    Grain.

    B

    Fruit.

    C

    Meat.

    D

    Fish.


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    When fruit is carried as refrigerated cargo,the most frequent cause of its being infected at the discharge port is().
    A

    leaks in the ship's refrigeration system

    B

    improper cleaning of the cargo spaces

    C

    carriage at the wrong temperature

    D

    improper precooling of the cargo spaces


    正确答案: A
    解析: 暂无解析

  • 第21题:

    单选题
    When carrying a cargo of asphalt or molten sulfur,which are carried at temperatures of over 300°F,one of the biggest dangers is().
    A

    water in the tanks or pipelines

    B

    having the cargo too cool

    C

    explosion of vapors after discharge

    D

    inadequate ullage space


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    Air compressors are NOT permitted in which space(s) on a tank barge carrying grade A cargo?()
    A

    A cargo handling room

    B

    A space in which cargo hose is stored

    C

    An enclosed space containing cargo piping

    D

    All of the above


    正确答案: B
    解析: 暂无解析

  • 第23题:

    单选题
    Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is().
    A

    for securing a snatch block when snaking cargo into the wings of the hold

    B

    to prevent cargo from coming in contact with the vessel's frames or shell plating

    C

    tp prevent fittings to which cargo lashing may be secured

    D

    to support the dunnage floors which are laid down between tiere of cargo


    正确答案: C
    解析: 暂无解析