The hydrocarbons they do emit are less likely to()ozone.
A、general
B、generation
C、generate
D、generous
A、general
B、generation
C、generate
D、generous
A、incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit) B、capable of supporting combustion because the hydrocarbon content is above the UFL (Upper Flammable Limit) C、capable of supporting a fire once started D、not safe for ballasting
A、The cetane number is obtained by comparing the fuel with cetane a colorless liquid hydrocarbon B、The higher the cetane number, the shorter the ignition lag C、The highest cetane number of fuel is 100 D、All of the above
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
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
A、mimimum oxygen content line B、critical displacement line C、critical dilution line D、upper threshold limit
A、minimum oxygen content line B、critical displacement line C、critical dilution line D、upper threshold limit
A、eliminating sparks and fire in the vicinity of cargo tanks B、removing all hydrocarbon gases from the cargo tanks C、blanketing cargo tanks with inert foam D、reducing the oxygen concentration below levels necessary for combustion