Question 4637 Deck General
70% to passThe DEEP DRILLER, at a draft of 19 feet, has a KGL of 59.91 feet and an LCG of 1.57 feet. What is the trim angle?
A
0.2° by the stern
B
0.3° by the stern
C
0.4° by the stern
D
0.5° by the stern
AI Explanation
The correct answer is B) 0.3° by the stern. To calculate the trim angle, we can use the formula: Trim angle = arctan((LCG)/KGL), where LCG is the longitudinal center of gravity and KGL is the vertical distance from the keel to the center of gravity. Given the values provided: LCG = 1.57 feet KGL = 59.91 feet Plugging these values into the formula, we get: Trim angle = arctan(1.57/59.91) = 0.3° by the stern. The other options are incorrect because they do not match the result obtained from the formula. Option A (0.2° by the stern) is too small, while options C (0.4° by the stern) and D (0.5° by the stern) are too large.
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