A.displayed in at least 4 different positions on the barge
B.carved on a wooden board and attached to the barge's hull
C.displayed as close to the navigation lights as possible
D.displayed at the highest point of the barge's hull such that it can be seen from either side
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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
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
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
最新試題
If a leak occurred while loading diethylenetriamine，the chemical data guide indicates you would smell an odor similar to（）.
Regulations require that cargo tanks carrying grades D or E liquids on tank barges be vented with（）.
In setting the valves on a steam-smothering system on a tank vessel，the master control valve to cargo tanks should be（）.
The designations A，B，C，D and E grades of cargo refer to the（）.
Sour crude oil（）.
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（）.
Regulations require that tank vessels handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
The combined fan discharge rate in an inert gas system is related to the（）.
The number or name of a tank barge shall be（）.
According to the Chemical Data Guide，which reactive group(s) is/are not compatible with the products polybutene and o-xylene? （）