单项选择题
During oil transfer operations，who is responsible for ensuring that the posted transfer procedures are followed?（）
A.The designated person in charge B.The tankerman C.The senior able seaman D.The oiler
单项选择题 During jacking operations and transit，empty void spaces in the hull of a jack up ship provide（）.
单项选择题 During daylight savings time the meridian used for determining the time is located farther（）.
单项选择题 During a period of “whiteout”，you should expect which of the following?（）
