单项选择题
A.Greenish B.Bluish C.Grey D.Grey-white
In order to benefit from the use of storm oil in heavy ...
单项选择题In order to benefit from the use of storm oil in heavy seas，the storm oil should be spread （）.
A.around the rudder and screws B.completely around the vessel C.to leeward of the vessel D.to windward of the vessel
If your vessel has a GM of one foot and a breadth of 50...
单项选择题If your vessel has a GM of one foot and a breadth of 50 feet，what will be your full rolling period? （）
A.11 seconds B.15 seconds C.20 seconds D.22 seconds
If a vessel is engaged in fishing according to the defi...
单项选择题If a vessel is engaged in fishing according to the definitions in the Rules，it will have （）.
A.gear extending from the side or stern B.gear that restricts maneuverability C.less than 50 percent trolling lines D.None of the above
