What is the major function of the deck water seal in an inert gas system ________．A.Reliev

A.Regulation of discharge pressure from cargo pumps

B.Maintaining constant velocity in cargo lines

C.Regulation of suction head on cargo pumps

D.To maintain a tank or void at atmospheric pressure

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

A.Steel or aluminum

B.Sandwich style fibreglass with a natural rubber core

C.Copper-nickel or copper silicon alloys

D.Any or all of the above

A.They must be conspicuously marked

B.They must be located at least 10 feet from the engine

C.There must be at least two such shutdown devices

D.The valve rods shall be fitted with stuffing boxes