单项选择题
Deviation is the angle between the（）.
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
点击查看答案&解析
相关考题
-
单项选择题
Error may be introduced into a magnetic compass by（）.
A.making a structural change to the vessel
B.a short circuit near the compass
C.belt buckles
D.All of the above -
单项选择题
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
A.accurate only in the Polar regions
B.accurate electronic servomechanisms
C.hand operated
D.accurate only if the vessel is underway -
单项选择题
How is variation indicated on a small-scale nautical chart?（）.
A.Magnetic compass table
B.Magnetic meridians
C.Isogonic lines
D.Variation is not indicated on small-scale nautical charts
