A.with part of it extending above the water
B.that can be detected by water turbulence
C.that drops off sharply
D.perpendicular to the current
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A.Great Circle
B.Position Line
C.Rhumb line
D.True Bearing
A.dead reckoning
B.dead weight
C.dead slow ahead
D.dead slow astern
A.difference between the true course and the compass course
B.momentum of a vessel after her engines have been stopped
C.lateral movement of a vessel downwind of her intended course
D.displacement of a vessel multiplied by her speed
最新試題
A celestial body will cross the prime vertical circle when the latitude is numerically （）.
When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
You have been informed that dredging operations may be underway in your vicinity.Which buoy indicates the dredging area（）.
When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.
When using a buoy as an aid to navigation which of the following should be considered?（）
What area of the earth cannot be shown on a standard Mercator chart（）.
What is an ebb current（）.
Which of the following are data layer categories to be displayed on ECDIS（）．
When entering a channel from seaward，the numbers on buoys（）.
Which position includes the effects of wind and current（）.