Question 1927 Deck General

The correct answer is B) Noncombustible hangers and supports. The small passenger vessel regulations require that dry exhaust pipes be supported by noncombustible hangers and supports. This is to ensure the safety of the vessel by preventing the exhaust pipe from coming into contact with and potentially igniting any combustible materials on board. The other options, while potentially relevant to other aspects of the vessel's construction or systems, are not specifically required for a dry exhaust pipe.