A.Anemometer
B.Fathometer
C.Barometer
D.Thermometer
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A.A decrease in the speed results in a decrease in steering response and maneuverability
B.An increase in speed results in the stern sucking down lower than the Bow
C.An increase in speed results in the vessel rising on an even plane
D.A decrease in speed results in the vessel sucking down on an even plane
A.free communication
B.free density
C.free surface
D.negative GM
A.Land first sighted when vessel approaching from seaward
B.Land last sighted when vessel leaving from a port
C.In sight of one another when vessel underway
D.In sight of an island during a ship on her voyage
A.black and green bands
B.red and green bands
C.red and yellow bands
D.yellow and green bands
A.channel junctions
B.bifurcations
C.fishing traps
D.wrecks or obstructions
最新試題
A vessel shall not（）.
When approaching Block Island Sound from Long Island Sound，you will enter waters governed by the International Rules of the Road when you（）.
You are running parallel to the coast and estimate that the current is against you.In plotting a running fix using bearings from the same object on the coast，the greatest safety margin from inshore dangers will result if what speed is used to determine（）.
When liquid is free to move transversely in a tank，the effect is called（）.
Two vessels are approaching each other near head on. What action should be taken to avoid collision?（）.
In the absence of a route leading from seaward，the conventional direction of buoyage generally follows（）.
Which instrument is used to predict the approach of a low pressure system（）.
The rules state that vessels may depart from the requirements of the Rules when（）.
Which vessel would display a cone，apex downward（）.
You are approaching a vertical lift bridge.You know the span is fully open when（）.