In ballasting to survival draft，while in transit，due to extreme wind and wave loads，thrusters or propulsion，if available，should be used to（）.<br>A:reduce windward mooring tensions<br>B:maintain vessel heading<br>C:maximize accelerations<br>D:increase speed of advance

In ballasting to survival draft，while in transit，due to extreme wind and wave loads，thrusters or propulsion，if available，should be used to（）.
A:reduce windward mooring tensions
B:maintain vessel heading
C:maximize accelerations
D:increase speed of advance

出自：海船船员证

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