單項(xiàng)選擇題Deballasting a double bottom has what affect on KG?()

A.KG is increased
B.KG is decreased
C.KG is not affected
D.KG increases at light drafts and decreases at deep drafts


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1.單項(xiàng)選擇題Although KG for a ship in lightweight is relatively high,the vessel is stiff because().

A.KM is small
B.KM is high
C.BL is small
D.KB is large

2.單項(xiàng)選擇題Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in().

A.INTERNATIONAL LOAD LINE CERTIFICATE
B.PASSENGER SHIP SAFETY CERTIFICATE
C.CARGO SHIP SAFETY CONSTRUCTION CERTIFICATE
D.GENERAL DECLARATION

3.單項(xiàng)選擇題After transferring a weight forward on a vessel,the draft at the center of flotation will().

A.change,depending on the location of the LCG
B.increase
C.decrease
D.remain constant

4.單項(xiàng)選擇題Aboard a vessel,multiplying a load’s weight by the distance of the load’s center of gravity from the centerline results in the load’s().

A.TCG
B.transverse moment
C.righting moment
D.transverse free surface moment