Question 4464Deck General70% to pass
When clear ice is present while drilling, the vertical transverse moments of the DEEP DRILLER are increased by _______________.
AI Explanation
The correct answer is B) 42,255 ft-long tons.
When clear ice is present while drilling, the vertical transverse moments of the DEEP DRILLER are increased by 42,255 ft-long tons. This is because the presence of clear ice adds significant weight and wind load to the drilling rig, which increases the overall moments and forces acting on the structure.
The other answer choices are incorrect because they do not accurately reflect the specific increase in vertical transverse moments caused by the presence of clear ice on the DEEP DRILLER. The correct value of 42,255 ft-long tons is based on the engineering assessments and regulations governing the stability and safety of offshore drilling rigs in icy conditions.
Related Questions
#4462 The DEEP DRILLER is loaded as shown in Sample Load Form #4, (Drilling). In preparing for approaching heavy weather, the four leeward mooring lines are slacked. These actions reduce the _______________.#4463 For a semisubmersible moored in heavy weather conditions, the weather lines should be adjusted so that several lines carry about the same tension, and the leeward lines are _______________.#4465 In storm conditions, when the DEEP DRILLER is in 600 feet water depth, and the high-line tension (HLT) is 350 kips, completely slacking the two leeward mooring line tensions reduces the HLT to _______________.#4466 In storm conditions, with the wind and waves from the starboard bow of the DEEP DRILLER in 400 feet water depth, the offset is 7%. Completely slacking mooring lines 7 and 8 reduces the offset to _______________.#4467 In storm conditions in 600 feet of water, completely slacking the leeward mooring line of the DEEP DRILLER reduces the tension in that line to about _______________.