A、CCS marine surveyor
B、certified marine chemist
C、port engineer
D、HAS marine inspector
更多“A gas-free certificate would usually be issued by a (n)（）.”相关的问题
A、ABS marine surveyor B、certified marine chemist C、port engineer D、Coast Guard marine inspector
A、Washing the tank interior with sea water B、Application of degreasing solvents C、Removal of corrosion products and sludge D、Fresh air ventilation
A、LPG is compatible with all cargos B、LPG's high oxygen content makes it nonvolatile C、Cargo tanks are inspected less frequently than on oil tankers D、The cargo tanks are used for one type of cargo only
A、A.prevents the flue gas from falling below 3% content of oxygen B、B.allows the inert gas piping to be used for gas freeing the tanks C、C.opens when there is excessive vacuum on the deck water seal D、D.enables outside air to mix with and cool hot flue gasses
A、the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volume B、the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volume C、the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargo D、All of the above
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