Uses of portholes in a ship?

Question

Uses of portholes in a ship?

Answer 1

port holes are for light and ventilation. These were important in the days before powered vents and air conditioning or electric lights. now a days they are mainly decorative.

Answer 2

On a ship, any window below the main deck must be watertight. A round shape will press evenly against a sealing gasket. This will minimize any weak spots where water can intrude.

Answer 3

probably the same reason you have windows in a house

Answer 4

They are usually water tight windows that allow fresh air in below decks.  When the weather or seas kick up you can close them securely and not worry that a big wave will bust through.  They tend to be below the gunwale (The upper edge of a boat's sides) of the boat

Answer 5

A porthole is a window in the hull of a ship. They are for seeing outside the hull.

Regards,

Dan

Answer 6

Portholes are used to let light and air into a ship. The design of the porthole (round) is such that it serves its intended purpose without sacrificing the integrity of the ship's hull.