Question 1 of 27070
Q
The principal action in changing from transit to survival draft in the event heavy weather threatens is __________.
A
ballasting
B
hanging off
C
disconnecting
D
deballasting
Question 1 / 2707066636ee728f7522a1c518663
Question 1 of 2707066636ee728f7522a1c518663

The principal action in changing from transit to survival draft in the event heavy weather threatens is __________.

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Question 1 of 27070
Q

The principal action in changing from transit to survival draft in the event heavy weather threatens is __________.

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šŸ” Key Concepts

ā€¢ Survival draft vs. transit draft on a mobile offshore drilling unit (MODU) or similar offshore unit ā€¢ How draft and stability are affected by adding or removing ballast water ā€¢ What you must do to lower the center of gravity and increase draft in preparation for heavy weather

šŸ’­ Think About

ā€¢ In heavy weather, do you want the unit riding higher or deeper in the water for better stability? ā€¢ Which operation will increase the unitā€™s displacement and draft: taking on water in ballast tanks or pumping it out? ā€¢ Think about the purpose of a survival draftā€”what condition of stability and motion in waves are you trying to achieve?

āœ… Before You Answer

ā€¢ Be clear on the definitions of ballasting vs deballasting (which one adds water, which removes it). ā€¢ Relate each choice to whether it will raise or lower the draft and improve or reduce heavy-weather stability. ā€¢ Consider which actions like hanging off or disconnecting are about moorings/risers, not directly about changing draft.