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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


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更多 “ 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 ” 相关考题
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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

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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 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 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

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考题 Which statement is TRUE concerning inert gas systems on tankers ________.A.Flue gases from the ship's boilers are used in some systemsB.The gas is heliumC.Using the system accelerates the rusting of the tanksD.All of the above

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考题 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 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

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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

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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

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