单项选择题
A.designates the state of a commodity when the ship is heeled past the angle of repose
B.relates to the suitability of loading a cargo by flowing down inclined chutes
C.refers to the saturation of a dry bulk product with water to the point where it acts as a liquid
D.relates to the minimum granule size of a particular product where it will flow like a liquid at an angle of 30°
单项选择题 When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery，check it（）.
单项选择题 When loading bulk liquid cargo，what is the first action you should take if a cargo valve jammed open?（）
单项选择题 When considering a vessel’s stability，which spaces in a general cargo vessel are the best locations for the carriage of bulk grain? （）