A.deviation
B.variation
C.compass error
D.northerly error
您可能感興趣的試卷
你可能感興趣的試題
A.the compass heading is in line with the lubber's line
B.there is no lost motion in the gimbal rings
C.no change of heading by compass is observed if you raise and lower the heeling magnet
D.the gimbal rings do not strike the compass frame when they are tilted
A.The Flinders bar
B.The heeling magnet
C.Quadrantal soft iron spheres
D.Bar magnets in the binnacle
A.elevation
B.magnetic angle
C.vertical angle
D.dip
A.divisional parts
B.coefficients
C.fractional parts
D.equations
A.compass error
B.latitude
C.variation
D.deviation
最新試題
A ship under construction or major repair will acquire permanent magnetism due to（）while sitting stationary in the earth’s magnetic field.
When a vessel changes course from one cardinal heading to another cardinal heading whilea djusting the compass，which action should be taken?（）
What is the basic principle of the magnetic compass?（）
When adjusting a magnetic compass for error，a deviation table should be made（）.
A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°.Which action should be taken to remove this error during compass adjustment（）.
When a magnetic compass is not in use for a prolonged period of time it should（）.
Which statement about the Flinders bar of the magnetic compass is CORRECT（）.
The quadrantal spheres are used to（）.
What is the name of the movable，radial guide line used to measure direction on a radar?（）
Variation is a compass error that you（）.