While in transit at a draft of 20.5 feet, the DEEP DRILLER has a KGT of 65.00 feet. What is the GMT?
• KM (Metacentric Height Above Keel) at a given draft from hydrostatic/stability curves • Relationship between GM, KM, and KG (or KGT): GM = KM − KG • Reading the correct KMT value at 20.5 ft draft for DEEP DRILLER from the stability data
• At a draft of 20.5 ft, what is the KM (or KMT) you would read from the hydrostatic or stability curves for DEEP DRILLER? • Once you have KM, how do you combine it with the given KGT of 65.00 ft to obtain GMT? Write the formula before plugging in numbers. • After you calculate GMT, which option is numerically closest to your computed value, considering rounding to two decimal places?
• Be sure you are using KM for the correct draft (20.5 ft), not another draft line. • Confirm you are using the correct formula: GM(T) = KM(T) − KG(T), with all heights measured from the same reference (keel). • Double-check your subtraction and rounding (to two decimal places) before comparing to the answer choices.
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