If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will ______．A.increaseB.decreaseC.stopD.remain constant

题目

If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will ______．

A.increase

B.decrease

C.stop

D.remain constant

相似考题

1.When you go across the line, you change your calendar one ______ day, back or ahead.A、allB、moreC、fullD、less

2.A precaution you should take before bunkering is to ______A.plug the ventsB.plug the sounding pipesC.plug the scuppersD.close the lids on the vents

3.In reference to accidental oil pollution，the most critical time during bunkering is when ______.A.you first start to receive fuelB.hoses are being blown downC.final topping off is occurringD.hoses are being disconnected

4.An alternator is being paralleled with one on the line At the instant the circuit breaker is close, the frequency of the incoming alternator will normallyA.increaseB.not changeC.decreaseD.be exactly 60 hertz

更多“If you are bunkering and you close off one tank in the line of tanks being filled,the rate ”相关问题

  • 第1题：

    When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it ______.

    A.one meter from the tank bottom and one meter below the tank top

    B.one half the ullage of the tank and one meter below the tank top

    C.one half the ullage of the tank and one meter above the tank bottom

    D.at three meter intervals from the tank top to the bottom


    正确答案：B

  • 第2题：

    You are discharging cargo and the inert gas system is in operation to inert the tanks. The pressure in a tank being discharged starts to drop below the allowable limit. What action should you take?

    A.Cut in another IG fan to increase gas flow

    B.Open the pressure control valve until the pressure increases

    C.Open the tank isolation valve to the fully open position

    D.Reduce the pumping rate


    正确答案：D

  • 第3题：

    When loading a tanker，you should ______．

    A.load only one tank at a time

    B.keep the seamen on watch on standby in the mess room

    C.keep a strain on the loading hoses

    D.close valves by closing them down，reopening one or two turns，and re-closing


    正确答案：D

  • 第4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5题：

    单选题
    To avoid excessive surge pressure when bunkering, you should （）
    A

    bunker at a normal rate

    B

    check for kinks in hose

    C

    close valves slowly

    D

    shut valves before topping off


    正确答案： C
    解析： 暂无解析

  • 第6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7题：

    单选题
    You are transferring fuel from the storage tanks to the day tanks by means of an electric fuel oil transfer pumpIf the pump motor catches fire, you would FIRST （）.
    A

    secure the fuel manifold

    B

    shut off power to the pump

    C

    shut off the power ventilation

    D

    spray water on the fire


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    You may improve a vessels stability by （）.
    A

    keeping the fuel tanks topped off

    B

    increasing the free surface effect

    C

    keeping the fuel tanks at least half MI

    D

    keeping at least one fuel tank empty for slops


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    To avoid excessive pressures in the fuel oil filling system during bunkering, you should （）.
    A

    close the tank filling valves quickly

    B

    top off all tanks at the same time

    C

    rill completely all tanks to less than 95% full

    D

    reduce the loading rate when topping off


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would（）.
    A

    reduce the free surface effect and raise the KG

    B

    not have any effect on free surface and raise the KG

    C

    reduce the free surface effect and lower the KG

    D

    not have any effect on free surface and lower the KG


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    The lockmaster has given you permission to tie off on the lower guide wall to wait your turn to lock through. What should you be most concerned with? （）
    A

    A downbound vessel

    B

    An upbound vessel

    C

    Current reaction when the lock chamber is being emptied

    D

    Current reaction when the lock chamber is being filled


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    A vessel is equipped with cross-connected deep tanks.In which situation should the crossconnection valve be closed?（）.
    A

    The tank lie above the waterline and are filled

    B

    The tank are partically filled with dry cargo

    C

    The tanks are partially filled with liquid cargo

    D

    The tanks are filled and lie below the waterline


    正确答案： D
    解析： 暂无解析

  • 第13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：D

  • 第14题：

    The lockmaster has given you permission to tie off on the lower guide wall to wait your turn to lock through．What should you be most concerned with ________．

    A.A downbound vessel

    B.An upbound vessel

    C.Current reaction when the lock chamber is being emptied

    D.Current reaction when the lock chamber is being filled


    正确答案：C

  • 第15题：

    You are on a tanker discharging oil．When all of the oil that the main cargo pumps can handle is pumped out of a tank，the remainder is ______．

    A.Stripped out and pumped directly ashore into the mainline as the remaining cargo tanks are pumped out with the main pumps

    B.Stripped to one tank and then pumped out with the main pumps

    C.Stripped out and pumped directly ashore after all the tanks have been emptied by the main pumps

    D.Gravitated to the centers from the wings and pumped out with the main pumps


    正确答案：B

  • 第16题：

    单选题
    If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should （）.
    A

    close the static leg filling valve

    B

    close the overflow tank falling valve

    C

    reduce the fuel oil pumping rate

    D

    stop the fuel oil pumping operation


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    When you are transferring fuel oil to the setting tanks, precautions to be observed should include （）
    A

    plugging gooseneck tank vents to prevent accident overflow

    B

    maintaining a high transfer rate until a slight trickle of oil is observed flowing from the overflow line

    C

    sounding the tanks frequently and reducing the transfer rate as the level approaches maximum fill

    D

    maintaining a supply of chemical dispersant to cleanup minor oil spills adjacent to the ship


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    You are loading a cargo tank on your container ship. The tank displays the red label shown. Which statement is TRUE? （）
    A

    The tank contains propylene

    B

    The tank's volume is 1077 cubic feet

    C

    There are three tanks in the shipment

    D

    The tank contains an oxidizing material


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    While underway and towing an unmanned tank barge you are required to（）.
    A

    maintain a strict watch on the barge from the towing vessel

    B

    fly a red flag from the towing vessel

    C

    open the tops of all empty tanks on the barge

    D

    take hourly soundings of any loaded tanks on the barge


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    If you are bunkering and you close off one tank in the line of tanks being filled，the rate of flow to other open tanks on the same line will（）.
    A

    increase

    B

    decrease

    C

    stop

    D

    remain constant


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    The safe rate of bunkering heavy fuel oil is directly related to the （）.
    A

    type of fuel transfer pump aboard

    B

    temperature of the fuel oil being received

    C

    size of the fuel storage tanks ashore

    D

    distance from the fuel oil storage tanks ashore


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    You are discharging cargo and the inert gas system is in operation to inert the tanks. The pressure in a tank being discharged starts to drop below the allowable limit. What action should you take? （）
    A

    Cut in another IG fan to increase gas flow

    B

    Open the pressure control valve until the pressure increases

    C

    Open the tank isolation valve to the fully open position

    D

    Reduce the pumping rate


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    Portable fire extinguishers must be provided for the cargo tank area of an unmanned tank barge（）.
    A

    only when fully loaded

    B

    if one or more tanks are full

    C

    when transferring cargo

    D

    only when the barge is being towed


    正确答案： B
    解析： 暂无解析

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