Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with ______．A.Gooseneck vents and flame screensB.Pressure-vacuum relief valvesC.Branch vent lines and a vent headerD.Forced draft blowers

题目

Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with ______．

A.Gooseneck vents and flame screens

B.Pressure-vacuum relief valves

C.Branch vent lines and a vent header

D.Forced draft blowers

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.To determine which grades of cargo a tank vessel is permitted to carry you should ______.A.refer to the vessel's Certificate of InspectionB.examine the cargo tanks and fittingsC.ask the terminal supervisor or his representativeD.check the loading order

3.You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleanedB.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tankC.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residueD.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank

4.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

更多“Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vent ”相关问题

  • 第1题：

    Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?

    A.Each vent for the tank must be equal to the area of the tank filling line

    B.The tanks must be protected by overflows

    C.The total area of the vents or the overflow shall be at least equal to the area of the fill line

    D.There must be twice as much vent area as the area of the fill line


    正确答案：C

  • 第2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3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4题：

    单选题
    Regulations require that tankers handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
    A

    cofferdams

    B

    empty cargo spaces

    C

    gas tight bulkheads

    D

    areas equipped with power ventilation


    正确答案： B
    解析： 暂无解析

  • 第5题：

    单选题
    To determine which grades of cargo a tank vessel is permitted to carry you should（）.
    A

    refer to the vessel's Certificate of Inspection

    B

    examine the cargo tanks and fittings

    C

    ask the terminal supervisor or his representative

    D

    check the loading order


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.
    A

    from areas equipped with power ventilation

    B

    only from enclosed areas free from sources of vapor ignition

    C

    from the open deck

    D

    from within the vessel


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    Regulations require that pumprooms on tank vessels carrying grade C liquid cargo with machinery spaces below the freeboard deck be ventilated with（）.
    A

    power ventilation

    B

    gooseneck vents and flame screens

    C

    at least two ducts extending to the weather deck

    D

    a vent header system


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with（）.
    A

    gooseneck vents and flame screens

    B

    pressure-vacuum relief valves

    C

    branch vent lines and a vent header

    D

    forced draft blowers


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    In setting the valves on a steam-smothering system on a tank vessel，the master control valve to cargo tanks should be（）.
    A

    open and individual tank valves open

    B

    open and the individual tank valves closed

    C

    closed and the individual tank valves closed

    D

    closed and the individual tank valves open


    正确答案： D
    解析： 暂无解析

  • 第10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11题：

    单选题
    The greatest effect on stability occurs from loose liquids flowing（）.
    A

    from side to side in the tanks of the vessel

    B

    from fore to aft in the tanks of a vessel

    C

    in and out of a vessel that is holed in a wing tank

    D

    in and out of a vessel that is holed in a peak tank


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
    A

    cofferdams

    B

    empty cargo spaces

    C

    gas tight bulkheads

    D

    areas equipped with power ventilation


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolated from sources of vapor ignition by ______．

    A.Cofferdams

    B.Gastight bulkheads

    C.Passageways or living quarters

    D.General cargo spaces


    正确答案：B

  • 第14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15题：

    单选题
    Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.
    A

    1 minute

    B

    3 minutes

    C

    5 minutes

    D

    10 minutes


    正确答案： C
    解析： 暂无解析

  • 第16题：

    单选题
    You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE? （）
    A

    Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned

    B

    The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank

    C

    The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue

    D

    Steam cleaning and water washing are both capable of generating electrostatic charges within a tank


    正确答案： A
    解析： 暂无解析

  • 第17题：

    单选题
    Access to a cargo pumproom on a tank vessel carrying grades A，B，C or D liquid cargoes shall be（）.
    A

    at least 13.1 feet away from the galleys，living quarters or navigation spaces

    B

    from the open deck

    C

    only from areas equipped with power ventilation systems

    D

    isolated from any part of the vessel which normally contains sources of vapor ignition


    正确答案： C
    解析： 暂无解析

  • 第18题：

    单选题
    The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tanks to another section is called a（）.
    A

    crossover

    B

    runaround

    C

    come-along

    D

    manifold


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by（）.
    A

    cofferdams

    B

    gastight bulkheads

    C

    passageways or living quarters

    D

    general cargo spaces


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    Regulations require that access to a cargo pumproom in a tanker carrying grade D liquid cargo，shall be（）.
    A

    away from galleys，living quarters，or navigation spaces

    B

    only from areas equipped with power ventilation systems

    C

    from the open deck

    D

    isolated from sources of vapor ignition


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    According to regulations，access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be（）.
    A

    from areas equipped with power ventilation

    B

    only from enclosed areas free from sources of vapor ignition

    C

    from the open deck

    D

    from within the vessel


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement is TRUE concerning protection of double bottom tanks against excessive pressure? （）
    A

    Each vent for the tank must be equal to the area of the tank filling line

    B

    The tanks must be protected by overflows

    C

    The total area of the vents or the overflow shall be at least equal to the area of the fill line

    D

    There must be twice as much vent area as the area of the fill line


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    On a vessel carrying grades A，B，C or D cargoes，enclosed spaces where sources of vapor ignition are normally present shall NOT be segregated from cargo tanks by（）.
    A

    cofferdams

    B

    galleys

    C

    pump rooms

    D

    tanks used to carry liquids having a flash point of 150°F or above


    正确答案： B
    解析： 暂无解析

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