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
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Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation.
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（）.
Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
If a leak occurred while loading diethylenetriamine，the chemical data guide indicates you would smell an odor similar to（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
According to the Chemical Data Guide，which reactive group(s) is/are not compatible with the products polybutene and o-xylene? （）
What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
The blowers of an inert gas generation system aboard a tanker，will be automatically secured if（）.
Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because（）.
The purpose of inert gas systems aboard tankers is to（）.