Question 4461Deck General70% to pass
You should consider placing the drilling operations of the DEEP DRILLER in standby when _______________.
AI Explanation
You are correct, the answer is A) sustained winds exceed 50 knots.
The rationale is that according to Coast Guard regulations, drilling operations should be placed in standby mode when sustained winds exceed 50 knots. This is to ensure the safety of the crew and the integrity of the drilling equipment during high wind conditions.
The other options are incorrect because 70 knots of wind (choice B) and 64-foot waves (choice C) are much more extreme conditions, while exceeding critical motion limits (choice D) is a different criteria not specifically related to wind speed.
Related Questions
#4459 The marine riser on the DEEP DRILLER should be disconnected if it appears the mooring line tensions will exceed 522 kips or the ball joint angle will exceed _______________.#4460 The DEEP DRILLER is loaded as shown in the Sample Load Form #4 (Drilling). According to the deck load graph, how much additional deck load could be added on the unit? #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 _______________.#4464 When clear ice is present while drilling, the vertical transverse moments of the DEEP DRILLER are increased by _______________.