Question 4982Deck General70% to pass
The COASTAL DRILLER, with no trim, is at a true mean draft of 10 feet and 10 inches. TM is -6,800 ft-kips. Using only tanks 1, 25, and 26, how many kips of drill water must be transferred to level the jack-up?
AI Explanation
The correct answer is D) Transfer 100 kips from 25 to 26.
To level the jack-up, the goal is to transfer ballast to adjust the trim moment (TM) to zero. Since the TM is given as -6,800 ft-kips, we need to add 6,800 ft-kips to the system to level the vessel.
By transferring 100 kips from tank 25 to tank 26, we effectively increase the forward moment, which counteracts the negative trim moment and brings the TM to zero, leveling the jack-up.
The other options are incorrect because they either do not provide the necessary 6,800 ft-kips of trim adjustment or involve transferring ballast in the wrong direction.
Related Questions
#4980 "Ice blink" is _______________.#4981 Small floes of rough, hummocky sea ice capable of damaging a vessel _______________.#4983 While in transit at a draft of 10.5 feet, the COASTAL DRILLER has a KGT of 60.0 feet. What is the GMT? #4984 What is the trim of a jack-up with a forward draft of 12 feet and an after draft of 13 feet? #4985 The COASTAL DRILLER, with no list, is at a true mean draft of 10 feet and 10 inches. LM is 1,699,463 ft-kips. Using only tanks 1, 25, and 26, how many kips of drill water must be transferred to level the jack-up?