单项选择题
A.not to affect the vessel's stability and trim B.to affect the vessel's stability C.to affect the vessel's trim D.to affect the vessel's atability or trim
May I set off the shortage（）the overage?A.againstB.byC....
单项选择题May I set off the shortage（）the overage?
A.against B.by C.to D.with
Movement of liquid in a tank when a vessel inclines cau...
单项选择题Movement of liquid in a tank when a vessel inclines causes an increase in（）.
A.righting arm B.metacentric height C.height of the uncorrected KG D.natural rolling period
Neglecting friction, you desire to life a 300 kgs weigh...
单项选择题Neglecting friction, you desire to life a 300 kgs weight with a stress on the hauling part of 100kgs.Which of the following tackles would you use ?（）.
A.Gun tackle B.Luff tackle C.Toe-fold tackle D.Double-luff tackle
