Question 5094 Deck General
70% to passWhile drilling loaded as shown in Sample Load Form Number 4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing port and forward inclination. The wind and waves are light. This inclination could have been caused by _______________.
A
ballast tanks equalizing into tank 1P
B
the drilling crew dumping the mud
C
the failure of mooring lines 5 and 6
D
the drill string breaking
AI Explanation
The correct answer is A) ballast tanks equalizing into tank 1P. The slowly increasing port and forward inclination of the DEEP DRILLER while drilling loaded could have been caused by ballast tanks equalizing into tank 1P. This would affect the stability and trim of the vessel, leading to the observed inclination. The other options are incorrect because: B) dumping mud would not cause a slow, progressive inclination; C) failure of mooring lines 5 and 6 would likely cause a sudden, not gradual, change; and D) a broken drill string would not directly affect the vessel's stability and trim in this manner.
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