In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ().

A．heel until the angle of loll is reached

B．list until the center of buoyancy is aligned vertically with the center of gravity

C．trim to the side opposite TCG until all moments are equal

D．decrease draft at the center of flotation

[单选题]When adding oil to a refrigeration system, precautions must be taken to ensure thatA．the compressor suction pressure is not too highB．all air is purged from the pump and charging fittingsC．the high pressure cutout switch is held open to prevent accid

[单选题]The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.A . nipB . napC . gapD . li

[名词解释] Necrotizing external otitis

[名词解释] 外部经济（External economy）

[试题](b) Describe the advantages of external recruitment. (5 marks)

[试题](c) Acting as an external consultant to Semer, discuss the validity of the proposed strategy to increase gearing, and explain whether or not the estimates produced in (b) above are likely to be accurate. (10 marks)

[单选题]When a vessel is inclined by an external force，the（）.A . shape of the vessel's underwater hull remains the sameB . vessel's center of gravity shifts to the center of the vessel's underwater hullC . vessel's center of buoyancy shifts t

[主观题]E．xternal economies外部经济

[名词解释] External economies外部经济

[单选题]There are more forces accelerating the progress of science than retarding i