D semester

Rules made up by governments and CLASSIFY Societies have to comply with international SOLAS RULES. Small amounts of water can accumulate in the ship as a result of CONDENSE, LEAK of pipes, washing or rain. In the most FAVOUR circumstances the water flows down the sides into the bilge well and can be pumped overboard. The ejector is a pumping device without MOVE parts (e.g. piston etc.) which is actuated by the high pressure of water flowing through it by the general service pump or the fire fighting pump. A mud box is a kind of filter on the suction line head which is a perforated basket, easily ACCESS and DETACH , necessary to prevent ashes and other particles from entering the pumps and choking them. Ejectors are simple in use and RELY in operation as they don’t have movable parts like standard pumps. Since there are no moving parts, no LUBRICATE is necessary and MAINTAIN is minimal. The size of the ejectors may vary from 50 cm to more than a few metres, and their versatile application makes them a SIGNIFY part of ship’s engine room equipment. Ballast is used to improve STABLE of the ship and improve MANOEUVRE . Ballast eductors can save VALUE energy and power, depending on the application. One must check the CLEAN of cooling water and SUITABLE of lube oil in the sump tank before starting up the engine. SATISFY lubrication of the cylinders is important before starting the engine. Before starting the engine you must report READY to the bridge. You must start an ADD auxiliary engine in order to ensure a power reserve for the manoeuvres. The checklist for the engine room preparation for departure must be completed prior to COMMENCE of stand by.