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名词解释题
惰性气体封舱条款（Inert Gas Gauging Clause）
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更多 “名词解释题惰性气体封舱条款（Inert Gas Gauging Clause）” 相关考题
考题
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
考题
A cargo tank that is initially gas freed，can be inerted by introducing inert gas by a process known as ______.A.dilutionB.displacementC.precipitationD.Either A or B
考题
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
考题
Which of the listed functions is the purpose of a gas scrubber in an inert gas generation system ________．A.Cools the inert gasB.Maintains the oxygen content at 5% by volumeC.Drains off static electricity in the inert gasD.Maintains the water seal on the gas main
考题
After the initial cleaning of flue gas in an inert gas system the gas is passed through what device for final cleaning ________．A.ScrubberB.DemisterC.Deck water sealD.Final filter
考题
Inerting means ______．A.The introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volumeB.The introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volumeC.The introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargoD.All of the above
考题
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 lostB.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 lostD.All of the above
考题
The deck water seal of the inert gas system ______．A.Cools the inert gas and prevents soot from entering the cargo tanksB.Acts as an emergency shutdown when inlet pressures exceed the safe working pressureC.Prevents the backflow of hydrocarbon gasses into nonhazardous areasD.Relieves sudden large overpressures in the system
考题
The fresh air intake of the inert gas system ______，A.Prevents the flue gas from falling below 3% content of oxygenB.Allows the inert gas piping to be used for gas freeing the tanksC.Opens when there is excessive vacuum on the deck water sealD.Enables outside air to mix with and cool hot flue gasses
考题
What is NOT a function of the scrubber of an inert gas system ________．A.Cool the inert gasB.Remove particulate matter like sootC.Maintain pressure in the tanksD.Remove chemical impurities
考题
What is the major function of the deck water seal in an inert gas system ________．A.Relieve excessive overpressures in the systemB.Isolate hazardous from nonhazardous areasC.Prevent the flow of inert gas into closed tanksD.Remove any leftover water or soot after the gas has been scrubbed
考题
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 loadingB.be gas-freed after loading operationsC.not be maintained in an inert conditionD.be maintained in an inert condition
考题
Which statement about inert gas pressures in a cargo tank is TRUE ________．A.The pressures of the inert gas in the tank may create excessive pressure at the pump while dischargingB.Gas pressures should be maintained at the highest permissible level throughout the discharging processC.High gas pressures may cause pyrophoric oxidation in the tankD.High gas pressures may cause loss of suction when stripping
考题
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 failureB
blower failureC
deck seal low water levelD
low inert gas temperature
考题
单选题The fresh air intake of the inert gas system（）.A
prevents the flue gas from falling below 3% content of oxygenB
allows the inert gas piping to be used for gas freeing the tanksC
opens when there is excessive vacuum on the deck water sealD
enables outside air to mix with and cool hot flue gasses
考题
单选题After the initial cleaning of fule gas in an inert gas system is passed through what devoce for final cleaning?（）.A
ScrubberB
DemisterC
Deck water sealD
Final filter
考题
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
ScrubberB
DemisterC
Deck water sealD
Final filter
考题
单选题The deck water seal of the inert gas system（）.A
cools the inert gas and prevents soot from entering the cargo tanksB
acts as an emergency system shutdown when the inlet pressures exceed the safe working pressure in the hazardous zoneC
prevents the backflow of hydrocarbon gasses into nonhazardous areasD
relieves sudden large overpressures in the system
考题
单选题A cargo tank that is initially gas freed，can be inerted by introducing inert gas by a process known as（）.A
dilutionB
displacementC
precipitationD
Either A or B
考题
单选题Inerting means（）.A
the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volumeB
the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volumeC
the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargoD
All of the above
考题
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 stackB
High capacity fanC
Inert gas compressorD
Natural aspiration
考题
单选题SOLAS regulations require that the inert gas system shall be capable of delivering inert gas with an oxygen content of not more than what percentage?（）A
5%B
8%C
6%D
3%
考题
单选题The purpose of the deck seal in an inert gas system is to prevent（）.A
flammable vapors from entering machinery spaceB
flue gas escaping to atmosphereC
inert gas escaping to atmosphereD
air entering inert gas system
考题
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
filterB
coolerC
scrubberD
purifier
考题
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 lostB
the temperature of the inert gas being delivered to the cargo tanks is more than 150°FC
the cooling water supply to the scrubbers is lostD
all of the above
考题
单选题The deck water seal of the inert gas system（）.A
cools the inert gas and prevents soot from entering the cargo tanksB
acts as an emergency shutdown when inlet pressures exceed the safe working pressureC
prevents the backflow of hydrocarbon gasses into nonhazardous areasD
relieves sudden large overpressures in the system
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