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Adequate horsepower is of great importance when a ship is navigating independently in ice. Adequate horsepower is generally considered to exist when the horsepower to length ratio is at least __________. |
A) 6 to 1 or better |
B) 8 to 1 or better |
C) 4 to 1 or better |
D) 5 to 1 or better |
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