What is Machinery Arrangement onboard?

Engine room is one of the compartments onboard ships and various machineries are
installed and arranged to provide power requirements either mechanical, electrical,
hydraulic or pneumatics for the operation of the ship. There are two main
classifications of machineries onboard. They are the main machineries which are
providing propulsion power to the ship and auxiliary machineries which are
supporting the main operation by providing electrical power, cooling, heating etc.
Major machineries in the engine room are categorized as “Critical Machineries”
under the Safety Management System which define as when become inoperative, it
will render hazards to the operation of the ship.
Machineries are arranged systematically and with accordance to their operational
requirement.