CHEMCO Exit Exam • Set 13 Question 26 of 30

One of the requirements of a vessel’s intact stability criteria is that:

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Direct Answer

Option D: The GZ should be at least 0.20 metres at an angle of 30 degrees or more

The IMO Intact Stability Code (2008 IS Code) mandates that the GZ curve's righting lever must be at least 0.20 meters at an angle of heel equal to or greater than 30 degrees. This criterion ensures adequate stability against capsizing under various operational conditions.

All Options

The GZ should be at least 0.15 metres at an angle of 25 degrees or more

The GZ should be at least 0.15 metres at an angle of 30 degrees or more

The GZ should be at least 0.20 metres at an angle of 25 degrees or more

The GZ should be at least 0.20 metres at an angle of 30 degrees or more (Correct Answer)

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).

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