When comparing twin screw tug to single-screw tugs, which statement about a twin-screw tug is FALSE?
Official USCG Answer & Rule Citation
Correct Answer: Option B — It develops more bollard pull for the same horsepower.
Single-screw tugs generally develop higher bollard pull per unit of horsepower compared to twin-screw configurations due to reduced hull interference and larger propeller diameter efficiency, making the claim of superior twin-screw pull false.
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