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
A barometer showing falling pressure indicates the approach of a（）.
Compass deviation is caused by（）.
A radar display in which North is always at the top of the screen is a(n)（）.
A Doppler log in the volume reverberation mode indicates（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
A radar range to a small，charted object such as a light will provide a line of position in which form?（）.
Compass error is equal to the（）.
A deadhead is a(n)（）.
The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.
A tall object with a light on or near the shore，to act as a guide or warning to mariners is called（）.