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Home
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| Term | Definition |
| displacement |
the weight of water displaced by a ship floating in a given condition; a measure of ship's size |
| Term | Definition |
| bilge pump |
pump for pumping out bilge water; usually it is a positive displacement pump |
| deadweight |
total weight of cargo, stores, fuel and water needed to submerge a ship from her light draught to her maximum permitted draught; it is given by the difference between the load displacement and light displacement (also known as lightweight); DWT for short |
| hydrostatic curves |
a set of curves which plot the hydrostatic quantities such as displacement, centre of flotation, centre of buoyancy, transverse metacentre, etc against the draught; these curves are useful for quick assessment of the draughts and the initial stability in various loading conditions |
| lightweight |
the weight of a ship complete with outfit and propulsion machinery, and ready for sea but without fuel, fresh water, stores, provisions, passengers or cargo on board; also known as Light displacement Tonnage
compare deadweight |
| pump |
equipment that transfers fluid from one place to another over a distance; it can be of two major types - positive displacement pump or rotodynamic pump |
| transducer |
a device producing an electrical output signal in response to an input signal which may be in the form of applied force or displacement |
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