单项选择题

Pitching is angular motion of the vessel about what axis?（）.

A.Longitudinal
B.Transverse
C.Vertical
D.Centerline

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单项选择题

On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE?（）.

A.Danger of heavy ship sweat exists； constant and vigorous ventilation is required
B.There is danger of heavy cargo sweat if outside air is introduced by ventilation
C.There is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is needed
D.The possibility of any sweat problem，either cargo or ship，is remote

单项选择题

It would be possible that part of the cargo got（）as great change in the weather during the voyage caused heavy（）in the hold.

A.damp／water
B.dampness／sweater
C.wet／condensation
D.wetness／dew

单项选择题

In order to determine the trimming arm for your vessel at any particular draft，which of the following would you compare?（）.

A.Longitudinal center of buoyancy and longitudinal center of gravity
B.Longitudinal center of floatation and longitudinal center of gravity
C.Longitudinal center of floatation and longitudinal center of buoyancy
D.Longitudinal tipping center and longitudinal center of gravity

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