A.true meridian and the axis of the compass card
B.true meridian and the magnetic meridian
C.magnetic meridian and the axis of the compass card
D.axis of the compass card and the degaussing meridian
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A.making a structural change to the vessel
B.a short circuit near the compass
C.belt buckles
D.All of the above
A.accurate only in the Polar regions
B.accurate electronic servomechanisms
C.hand operated
D.accurate only if the vessel is underway
A.Magnetic compass table
B.Magnetic meridians
C.Isogonic lines
D.Variation is not indicated on small-scale nautical charts
A.radar
B.DF
C.Satellite Navigator
D.Automatic Omega Navigator
A.Compass error and variation are equal
B.Compass north will be true north
C.Variation will equal deviation
D.There will be no compass error
最新試題
An ECDIS is required to display which information?（）
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
AREAS WHICH CANNOT BE SCANNED BY THE RADAR OF THE VESSEL BECAUSE THEY ARE SHIELDED BY PARTS OF ITS SUPERSTRUCTURE，MASTS，ETC means（）.
How is variation indicated on a small-scale nautical chart?（）.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.
A barometer showing falling pressure indicates the approach of a（）.
You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced?（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.
（）the canal transit，the radar was operating.