Question 4751Deck General70% to pass
The jettisoning of topside weight from a MODU serves what purpose?
AI Explanation
The correct answer is D) It lowers the center of gravity.
Jettisoning topside weight from a mobile offshore drilling unit (MODU) serves to lower the center of gravity. Reducing the weight high up on the structure lowers the overall center of gravity, which improves the MODU's stability and makes it less prone to capsizing or rolling over in rough seas or other adverse conditions. This is an important safety consideration for MODUs, which need to maintain stability and avoid potential stability-related incidents.
The other answer choices are incorrect because: A) Returning the MODU to an even keel is not the primary purpose of jettisoning topside weight; B) Raising the center of gravity would actually decrease stability; and C) Reducing free surface effect is a separate stability consideration not directly related to jettisoning topside weight.
Related Questions
#4749 An inclined semisubmersible with a very short rolling period about a constant angle of list is likely to have _______________.#4750 The angle of loll is a stability term which applies to a floating MODU with _______________.#4752 Adding the FSCL to KG yields _______________.#4753 Subtracting FSCT from KGT yields _______________.#4754 Repair of vital machinery and services on a MODU should be accomplished _______________.