What is the major function of the deck water seal in an inert gas system ________．
A. Relieve excessive overpressures in the system
B. Isolate hazardous from nonhazardous areas
C. Prevent the flow of inert gas into closed tanks
D. Remove any leftover water or soot after the gas has been scrubbed
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What is the purpose of the relief valve of a cargo pump ________．
A. Provides for the removal of vapors
B. Allows two or more tanks to be filled at the same time
C. Provides for the emergency shutdown of the pump
D. Permits the return of cargo to the suction side of the pump
What is NOT listed as a synonym for crude oil in the Chemical Data Guide ________．
A. Rock oil
B. Mineral oil
C. Seneca oil
D. Earth crude
What is NOT required to be contained in the oil transfer procedures ________．
A line diagram of the vessel's oil transfer piping
B. The number of persons on duty during oil transfer operations
C. Any special procedures for topping off tanks
D. The location and capacity of all fuel and cargo tanks on the vessel
Valves on steam-smothering lines to cargo tanks shall be set with ______．
A. The master control valve shut and valves to individual cargo tanks shut
B. The master control valve open and valves to individual cargo tanks shut
C. The master control valve shut and valves to individual cargo tanks open
D. All valves open
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