What is the general arrangement for bilge wells in the machinery spaces?

Correct Answer: Option C — Generally a bilge wells are provided in the port and starboard aft corners since a vessel is typically trimmed by the stern and to facilitate pump when the ship has a list.

Bilge wells are positioned in the port and starboard aft corners of the machinery space. This arrangement accounts for the vessel's typical stern trim and ensures that even if the ship develops a list, the bilge pumps can effectively suction water from the lowest point of the compartment.