Using an inert gas system on a tanker has which advantage（s）________．A.Provides for faster loadingB.Lowers oxygen content in the tankC.Provides better fuel economyD.All of the above

题目

Using an inert gas system on a tanker has which advantage（s）________．

A.Provides for faster loading

B.Lowers oxygen content in the tank

C.Provides better fuel economy

D.All of the above

相似考题

1.An inert gas system installed on a tanker is designed to ______.A.aid in the stripping and cleaning of cargo tanksB.increase the rate of discharge of cargoC.force toxic and explosive fumes from a cargo tank to vent to the outside atmosphereD.lower the oxygen levels inside cargo tanks，making explosion nearly impossible

2.How does an inert gas system on a tanker function to prevent explosions in cargo tanks?A.De-energizes the "charged mist" effectB.Maintains a positive pressure on the vent header to cool the flammable vaporsC.Inert gas filters out the flammable vapors from the cargo tank spacesD.Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit

3.Which method is used to supply inert gas from a flue gas system to the cargo tanks?A.Exhaust gas pressure from the stackB.High capacity fanC.Inert gas compressorD.Natural aspiration

4.An inert gas system on a tanker should be used to ______.A.prevent the generation of flammable or combustible gas in tanksB.blow out cargo lines to prevent the build up of gas concentrationsC.dilute tank atmospheres to keep gas concentrations below the lower explosive limitD.prevent fires in the pumproom by continually displacing flammable vapors

参考答案和解析
正确答案：B
更多“Using an inert gas system on a tanker has which advantage(s)________.A.Provides for faster ”相关问题

  • 第1题：

    Which of the listed functions is the purpose of a gas scrubber in an inert gas generation system ________．

    A.Cools the inert gas

    B.Maintains the oxygen content at 5% by volume

    C.Drains off static electricity in the inert gas

    D.Maintains the water seal on the gas main


    正确答案：A

  • 第2题：

    What is the major function of the deck water seal in an inert gas system ________．

    A.Relieve excessive overpressures in the system

    B.Isolate hazardous from nonhazardous areas

    C.Prevent the flow of inert gas into closed tanks

    D.Remove any leftover water or soot after the gas has been scrubbed


    正确答案：B

  • 第3题：

    Which statement about the inert gas system is TRUE ________．

    A.Boiler soot blowers should never be used when the IG system is operating

    B.The boiler will produce the best quality of flue gas for the IG system when the boiler load is very light

    C.The boiler will produce the most quantity of flue gas for the IG system when the boiler load is very light

    D.Flue gas with excessive oxygen content is de-oxygenated in the scrubber


    正确答案：A

  • 第4题：

    单选题
    Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.
    A

    cargo pump failure

    B

    blower failure

    C

    deck seal low water level

    D

    low inert gas temperature


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    How does an inert gas system on a tanker function to prevent explosions in cargo tanks? （）
    A

    De-energizes the charged mist effect

    B

    Maintains a positive pressure on the vent header to cool the flammable vapors

    C

    Inert gas filters out the flammable vapors from the cargo tank spaces

    D

    Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    Which of the following represents the maximum percent of oxygen by volume required to be achieved by a ship’s inert gas system, prior to the commencement of crude oil tank washing?（）
    A

    6%

    B

    8%

    C

    10%

    D

    12%


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    The deck water seal of the inert gas system（）.
    A

    cools the inert gas and prevents soot from entering the cargo tanks

    B

    acts as an emergency system shutdown when the inlet pressures exceed the safe working pressure in the hazardous zone

    C

    prevents the backflow of hydrocarbon gasses into nonhazardous areas

    D

    relieves sudden large overpressures in the system


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    An inert gas system installed on a tanker is designed to（）.
    A

    aid in the stripping and cleaning of cargo tanks

    B

    increase the rate of discharge of cargo

    C

    force toxic and explosive fumes from a cargo tank to vent to the outside atmosphere

    D

    lower the oxygen levels inside cargo tanks，making explosion nearly impossible


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    The purpose of the deck seal in an inert gas system is to prevent（）.
    A

    flammable vapors from entering machinery space

    B

    flue gas escaping to atmosphere

    C

    inert gas escaping to atmosphere

    D

    air entering inert gas system


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products，while simultaneously cooling the inert gas，is called the（）.
    A

    filter

    B

    cooler

    C

    scrubber

    D

    purifier


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.
    A

    5% or less

    B

    10% or less

    C

    15% or less

    D

    20% or less


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    The deck water seal of the inert gas system（）.
    A

    cools the inert gas and prevents soot from entering the cargo tanks

    B

    acts as an emergency shutdown when inlet pressures exceed the safe working pressure

    C

    prevents the backflow of hydrocarbon gasses into nonhazardous areas

    D

    relieves sudden large overpressures in the system


    正确答案： B
    解析： 暂无解析

  • 第13题：

    The blowers of an inert gas generation system aboard a tanker，will be automatically secured if ______．

    A.Normal water supply at the water seal is lost

    B.The temperature of the inert gas being delivered to the cargo tanks is more than 150℉

    C.The cooling water supply to the scrubbers is lost

    D.All of the above


    正确答案：D

  • 第14题：

    When a non-volatile cargo is carried in a tank that has not been previously gas freed，then that tank shall ______．

    A.be purged with hydrocarbon gas prior to loading

    B.be gas-freed after loading operations

    C.not be maintained in an inert condition

    D.be maintained in an inert condition


    正确答案：D

  • 第15题：

    Which statement is TRUE concerning inert gas systems on tankers ________．

    A.Flue gases from the ship's boilers are used in some systems

    B.The gas is helium

    C.Using the system accelerates the rusting of the tanks

    D.All of the above


    正确答案：A

  • 第16题：

    单选题
    Using an inert gas system on a tanker has which advantage(s)? （）
    A

    Provides for faster loading

    B

    Lowers oxygen content in the tank

    C

    Provides better fuel economy

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第17题：

    单选题
    The fresh air intake of the inert gas system（）.
    A

    prevents the flue gas from falling below 3% content of oxygen

    B

    allows the inert gas piping to be used for gas freeing the tanks

    C

    opens when there is excessive vacuum on the deck water seal

    D

    enables outside air to mix with and cool hot flue gasses


    正确答案： D
    解析： 暂无解析

  • 第18题：

    单选题
    After the initial cleaning of flue gas in an inert gas system the gas is passed through what device for final cleaning?（）.
    A

    Scrubber

    B

    Demister

    C

    Deck water seal

    D

    Final filter


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    Which action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
    A

    The tank must be gas freed

    B

    The tank must be ballasted

    C

    The tank must be vented to the atmosphere

    D

    The bypass valve must also be closed


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    Which method is used to supply inert gas from a flue gas system to the cargo tanks?（）
    A

    Exhaust gas pressure from the stack

    B

    High capacity fan

    C

    Inert gas compressor

    D

    Natural aspiration


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    An inert gas system on a tanker should be used to（）.
    A

    prevent the generation of flammable or combustible gas in tanks

    B

    blow out cargo lines to prevent the build up of gas concentrations

    C

    dilute tank atmospheres to keep gas concentrations below the lower explosive limit

    D

    prevent fires in the pumproom by continually displacing flammable vapors


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    An inert gas system on a tanker should be used to（）.
    A

    prevent the generation of flammable or combustible gas in tanks

    B

    blow out cargo lines to prevent gas concentrations

    C

    dilute tank atmospheres to keep gas concentrations below the lower explosive limit

    D

    prevent fires in the pumproom by continually displacing flammable vapors


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    The blowers of an inert gas generation system aboard a tanker，will be automatically secured if（）.
    A

    normal water supply at the water seal is lost

    B

    the temperature of the inert gas being delivered to the cargo tanks is more than 150°F

    C

    the cooling water supply to the scrubbers is lost

    D

    all of the above


    正确答案： C
    解析： 暂无解析

相关内容