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- Q461 - Assistance Towing
78. What is the name of the circular steel structure installed around the propeller (wheel) of a towboat?
A Kort nozzle is the correct answer; it is a circular steel ring around a towboat's propeller designed to increase thrust and provide protection. This structure accelerates water flow from the propeller, improving low-speed thrust, and is the standard term used in the maritime industry and on licensing exams. Other options, such as hood, strut, and shroud, refer to different components and do not accurately describe this specific structure.
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