A.Flinders bar first，then the heeling magnet and spheres
B.Heeling magnet first，then the Flinders bar and spheres
C.Flinders bar first，then the spheres and heeling magnet
D.Spheres first，then the Flinders bar and heeling magnet
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A.Switch
B.To switch
C.Switched
D.Will switch
A.My using
B.I use
C.To use
D.I will use
A.Rate of turn
B.Latitude and longitude
C.Navigational status
D.All of the above
A.Call sign and IMO number
B.Course over ground and MMSI
C.MMSI number and call sign
D.Route Plan and navigational status
A.A decreasing reading on loran pair 9960-X
B.The bearing of Wolf Trap Light changing to the right
C.Increasing soundings
D.The bearing of Wolf Trap Light changing to the left
最新試題
Loran-C uses the multiple pulse system because（）.
Radar makes the most accurate determination of the（）.
Which of the following statements is TRUE regarding automatic identification systems（AIS）（）.
With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of（）.
The line connecting the Loran-C master station with a secondary station is called the（）.
Which of the following statements is TRUE regarding crane operations（）.
To obtain accuracy in fixing by DF，（）and three stations should be used.
You are about to go to sea and adjust the magnetic compass．To expedite the adjustment at sea，in what order should the following dockside adjustments be made（）.
The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with（）.