Question 4443Deck General70% to pass
While in 150 feet water depth when the single amplitude roll angle of the COASTAL DRILLER is 1 degree, the safe platform roll period for going on location should be longer than _______________.
AI Explanation
The correct answer is C) 7.0 seconds.
The safe platform roll period for going on location should be longer than 7.0 seconds when the single amplitude roll angle of the COASTAL DRILLER is 1 degree in 150 feet of water depth. This is based on the guidelines provided in the US Coast Guard regulations for offshore supply vessel stability and watertight integrity.
The other options are incorrect because:
A) 0.2 second is too short for the given roll angle and water depth.
B) 3.2 seconds is also too short.
D) 9.2 seconds, while longer than the required 7.0 seconds, is not the minimum safe period.
Related Questions
#4441 Environmental loading consists of the forces caused by wind, waves, and _______________.#4442 While the COASTAL DRILLER is in normal transit, the roll period is 8 seconds. What would be the limiting angle of pitch which does not exceed the design limits of the legs? #4444 While in 150 feet water depth when the single amplitude roll angle of the COASTAL DRILLER is 2 degrees, the safe platform roll period for going on location should be longer than _______________.#4445 While in ocean transit, the COASTAL DRILLER has a roll period of 9 seconds. What is the largest angle each side of vertical that does not exceed the design limits of the legs in good weather? #4446 While the COASTAL DRILLER is in a normal transit, the roll period is 9 seconds. What is the limiting angle of roll which does not exceed the design limits of the legs?