Question 4413Deck General70% to pass
The center of flotation for the COASTAL DRILLER is located at the geometric center of the _______________.
AI Explanation
The correct answer is A) waterplane area.
The center of flotation for a vessel is located at the geometric center of the waterplane area, which is the area of the vessel that is submerged in the water. This is because the buoyancy force acting on the vessel is proportional to the volume of the underwater portion of the vessel, and the center of this buoyancy force is located at the center of the waterplane area.
The other options are incorrect because the amidships section (B) refers to the midship cross-section of the vessel, the underwater volume (C) does not determine the center of flotation, and the above water volume (D) is not relevant to the location of the center of flotation.
Related Questions
#4411 What device is used to measure the force exerted on the rig by a leg of the mooring system? #4412 The COASTAL DRILLER, while in a normal transit, experiences single amplitude rolling of three degrees. What is the minimum period of roll which does not exceed the design limits of the legs? #4414 The COASTAL DRILLER, while drilling, has a total weight of 15,400 kips. The LCG is 120.00 feet AF0, and the TCG is -0.5 foot to port of the centerline. What is the starboard leg reaction? #4415 The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs to 60.5 feet below the hull in order to meet the requirements for leg strength and _______________.#4416 The elevating system of the COASTAL DRILLER is normally limited to _______________.