what are the auxiliary machinery found in ships?
Ships auxiliary machinery is EVERYTHING which is vital to the operation of the vessel apart from the main engines and in the case of steamers, the boilers. In addition to the boilers and propulsion machinery, the engine room also contains most of auxiliary machinery to run the rest of the ship's systems. Steam or diesel driven generators provide electricity for the ship's lights and motors. There are centrifugal separators for turbine gear oil on steam turbine propelled ship and for fuel oil on diesel ships. An electrical distribution panel to allow control of the ship's electrical systems. On diesel powered ships, there are air compressors and receivers for starting air for the main and auxiliary engines. Refrigerated ships have refrigerant compressors to maintain the temperature of the holds. There are also steam or electrically powered pumps for clearing the bilges, transferring ballast, pumping feed water, circulating cooling water, pumping cargo, etc. etc. etc. Outwith the engineroom there are winches and cranes for cargo handling, windlasses, mooring capstans and most importantly the steering gear.
It's not that I think this kind of teaching should continue, but it would be a shame to have to repeat the course. I'm not sure what the school administration would decide. (It is a really bad test. I know nothing about your subject, but it is very hard to read and understand).
To be specific, auxiliary engines are the diesel or steam turbine engines that power the ships generators. Auxiliary machinery is any machinery eg pumps etc that are used to keep the main engine running and the ships domestic services operating. Other items required for cargo and non specific purposes such as lifts store cranes etc are classed as ancillary equipment. In addition to the above are the items required by class and other international regulations such as emergency systems,and systems required for safety.
Anything that is not vital to the operation of the ship is considered to be aux equipment. Backup generators, pumps, cranes, small equipment, support equipment, I could go on and on but if the machinery does not play a vital role in keeping the ship going it is considered aux equipment.
