A.be more subject to synchronous rolling
B.have a short rolling period
C.procide an uncomfordtable ride for personnel
D.have a smaller amplitude of roll in heavy weather
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A.have a large amplitude of roll
B.provide a comfortable ride for the crew and passengers
C.have drier decks in heavy weather
D.be likely to have cargo shift in heavy weather
A.evenly distrubuted vertically and the double bottoms are full
B.concentrated low and the double bottoms are empty
C.concentrated low and the double bottoms are full
D.concentration high and the double bottoms are empty
A.dividing the total longitudinal moment summations by displacement
B.dividing th etotal vertical moment summation by displacement
C.multiplying the MT1 by the longituinal moments
D.subtracting LCF from LCB
A.dividing the total longitudinal moment summations by displacement
B.dividing th etotal vertical moment summation by displacement
C.multiplying the MTC by the longituinal moments
D.subtracting LCF from LCB
A.filling a partially tank
B.using an on board crane to life a freely swinging heavy object
C.emptying a partially filled tank
D.transferring ballast from the forepeak to the after peak
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Before any loading takes place any signs of the previous cargo should do（）.
A tide is called diurnal when（）.
When the wave period and the apparent rolling period are the same（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
The helm command PORT TWENTY means（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
It is dangerous for vessels without the operational radar（）the estuary.
When steering by autopilot,how often should the steering be checked?（）
Which of the following shall not the officers in charge of the navigational watch do?（）
The mean draft of a ship is the draft（）.