The center of buoyancy and the metacenter are in the line of action of the buoyant force（）.
- Aonly when there is positive stability
- Bonly when there is negative stability
- Conly when there is neutral stability
- Dat all time
问题
The center of buoyancy and the metacen
参考解析：
分类：注塑模设计师(高级)题库
相关推荐
-
1、Addition of weight above the center of
Addition of weight above the center of gravity of a vessel will always（）.Areduce initial stabilityBincrease righting momentsCincrease GMDAll of the above
-
2、The Crown Court sits at（）centers and i
The Crown Court sits at（）centers and is presided over by High Court Judges,full-time Circuit Judges and part-time Recorders.A91B92C93D94
-
3、Because the actual center of some plan
Because the actual center of some planets may differ from the observed center，the navigator applies a correction known as the（）.Aphase correctionBrefraction correctionCsemidiameter correctionDaugmentation correctio
-
4、The center line condition of the trans
The center line condition of the transmission shaft can be checked by（）Athe border flange’s excursion and flectionBthe both end shafts li...
-
5、In a （） the center screw is driven and
In a （） the center screw is driven and the outer screws idle.Asingle screw pumpBdouble-screw pumpCtriple screw pumpDcentripetal pum
-
6、Addition of weight above the center of
Addition of weight above the center of gravity of a vessel will ALWAYS（）.Areduce initial stabilityBincrease righting momentsCincrease GMDAll of the above