Empty double-bottoms and lower holds，and a heavy deck cargo
Flooding the forepeak to correct the vessel's trim
Having KG smaller than KM
Having a small positive righting arm
第1题：
Jettisoning weight from topside ______.
A.returns the vessel to an even keel
B.reduces free surface effect
C.lowers the center of gravity
D.raises the center of buoyancy
第2题：
During cargo operations，your vessel develops a list due to the center of gravity rising above the transverse metacenter．To correct the list，you should ______．
A.Shift weight to the high side
B.Shift weight to the centerline
C.Add weight in the lower holds or double bottoms
D.Remove weight from the lower holds or double bottoms
第3题：
On a vessel, multiplying a load’s weight by the distance of the load’s center of gravity above the baseline results in a(n) ______.
A.transverse moment
B.vertical moment
C.righting moment
D.inclining moment
第4题：
第5题：
Aboard a vessel, dividing the sum of the transverse moments by total weight yields the vessel’s
A.vertical moments
B.transverse position of the center of gravity
C.inclining moments
D.righting moments
第6题：
Assuming an even transverse distribution of weight in a vessel，which condition could cause a list ________．
A.Empty double-bottoms and lower holds，and a heavy deck cargo
B.Flooding the forepeak to correct the vessel's trim
C.Having KG smaller than KM
D.Having a small positive righting arm
第7题：
Transverse frames are more widely spaced on a ship that is designed with the ______．
A.Centerline system of framing
B.Isometric system of framing
C.Longitudinal system of framing
D.Transverse system of framing
第8题：
A. prevent the leakage of external fiber emissions
B. provide the optical network with the highest level of security possible
C. assure an even distribution of 1‘s and 0‘s for extended transmitter life
D. assure an adequate number of transitions for clock recovery at the receiver
E. prevent the receiver from assuming AIS inadvertently when all 0‘s are received
第9题：
第10题：
Scrambling of SONET signals is done to （）.