computer generated quizzes merchant mariner mariners credentials exam prep tools deck license merchant mariner exam test test study materal captains license exam master mariner merchant seaman's license memorization aids qmed training online training online testing licensing course online coast guard exam tools coast guard test boating sailing yachting shipping mariner exam preparation test preparation navigation cargo charts publications distanse learning celestial engineering electrical safety steam motor fire fighting first aid gmdss great lakes hazardous cargo inert gas inland instruments accessories lifesaving bunkering marine radio meteorology modu celestial navigational pollution regulations seamanship vessels ship signaling stability tankerman tides currents towing watchkeeping rules of the road aids to navigation breathing apparatus cargo equipment cargo stowage charts and publications chemical testing and right whales damage control deck engineering emergency procedures fire fighting first aid global maritime distress and safety system great lakes hazardous cargo inert gas inland navigation instruments and accessories lifesaving bulk liquid cargo and bunkering marine radio operator meteorology mobile offshore drilling unit navigational procedures pollution control and prevention rules and regulations deck safety sailing vessels ship handling ships construction ships business signaling stability and trim tankerman tides and currents towing watchkeeping survival craft
QID - 24758

You are planning to use a crude oil washing system. What precaution must be taken with the source tank for the washing machines?

The source tank must have been crude oil washed at least once in the past 150 days. 
At least one meter must be decanted from the source tank.
The inert gas system must lower the oxygen content in the source tank to a maximum of 12%.
The oil in the source tank must be sampled for compatibility.
Next cgexams.seasources.net