單項(xiàng)選擇題For a vessel with longitudinal inclination, an increase in GML cause().

A.list to stabilize at an angle of loll
B.trim to stabilize at an angle of loll
C.trim to increase
D.trim to decrease


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1.單項(xiàng)選擇題For a vessel with transverse inclination, an increase in GMT causes().

A.list to stabilize at an angle of loll
B.list to decrease
C.trim to decrease
D.list to increase

2.單項(xiàng)選擇題For an upright vessel, draft is the vertical distance between the keel and the().

A.waterline
B.freeboard deck
C.plimsoll mark
D.admidships section

3.單項(xiàng)選擇題For any given pedestal crane,when the boom is lengthened, the lifing capacity is().

A.unchanged
B.increased
C.eliminated
D.decreased

4.單項(xiàng)選擇題For cargoes()grain meals,coal,ventilation is needed to prevent them()spontaneous combustion.

A.i.e./of
B.for instance/away
C.for example/off
D.such as/from

5.單項(xiàng)選擇題For determining the amount of chains used in anchoring operation,which one of the following factors wouldn’t be considered?().

A.selection of landmarks
B.character of sea bottom
C.strength of current and wind force
D.radius of ship swing to wind or tide