In small-angle stability,when external forces exist,the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the().
- Acenter of gravity
- Bcenter of flotation
- Cmetacenter
- Dmetacentric height
In small-angle stability,when external forces exist,the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the().
1、External and internal leakage in hydra
External and internal leakage in hydraulic systems may be caused by ().Aunusual vibrationBexcessive worn partsCabnormal pressureDany of the above
2、In the presence of external forces,the
In the presence of external forces,the center of buoyancy of an inclined vessel is vertically aligned with the().Acenter of gravityBmetacenterCcenter of flotationDkeel
3、When William I died in Normandy in()he
When William I died in Normandy in()he left England to his second son William.A1100B1153C1087D1135
4、In the absence of external forces,the
In the absence of external forces,the center of buoyancy of an inclined vessel is vertically aligned directly below the().Acenter of gravityBamidships stationCcenter of flotationDgeometric center of the waterplane area
5、In the absence of external forces,addi
In the absence of external forces,adding weight on one side of a floating vessel causes the vessel to ().Aheel until the angle of loll is r...
6、In small angle stability,the metacentr
In small angle stability,the metacentric height().Ais found in the hydrostatic tables for a level vesselBmultiplied by the displacement yields the righting momentCis always positiveDis calculated by subtracting KG from KM