A.degrees of quality of petroleum products
B.flash point range and Reid vapor pressure index of petroleum products
C.grades of crude oil
D.pour point，color，and viscosity index of petroleum products
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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.filter
B.cooler
C.scrubber
D.purifier
A.shoreside loading rate
B.maximum cargo pump discharge rate
C.boiler forced draft fan rate
D.size of the largest cargo tank
A.normal water supply at the water seal is lost
B.the temperature of the inert gas being delivered to the cargo tanks is more than 150°F
C.the cooling water supply to the scrubbers is lost
D.all of the above
A.diminishing the height of the seas
B.lengthening the distance between successive crests
C.increasing the height of the seas
D.preventing the wave crests from breaking
最新試題
In setting the valves on a steam-smothering system on a tank vessel，the master control valve to cargo tanks should be（）.
Inerting means（）.
The combined fan discharge rate in an inert gas system is related to the（）.
The purpose of the deck seal in an inert gas system is to prevent（）.
The deck water seal of the inert gas system（）.
Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with（）.
If a leak occurred while loading diethylenetriamine，the chemical data guide indicates you would smell an odor similar to（）.
Spreading oil on the open sea has the effect of（）.
If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）
What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）