^{<strike id="5n5a5"></strike>}

單項(xiàng)選擇題

When crossing the magnetic equator the（）.

A.Flinders bar should be inverted
B.Heeling magnet should be inverted
C.The quadrantal spheres should be rotated 180°
D.Flinders bar should be moved to the opposite side of the binnacle

你可能感興趣的試題

單項(xiàng)選擇題

What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.

A.Flinders bar
B.Soft iron spheres
C.Fore-and-aft permanent magnets in their trays
D.Heeling magnet

單項(xiàng)選擇題

What is the basic principle of the magnetic compass（）.

A.Magnetic materials of the same polarity repel each other and those of opposite polarity attract
B.The Earth's magnetic lines of force are parallel to the surface of the Earth
C.Magnetic meridians connect points of equal magnetic variation
D.The compass needle（s）will，when properly compensated，lie parallel to the isogonic lines of the Earth

When crossing the magnetic equator the（）.

你可能感興趣的試題

What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.

What is the basic principle of the magnetic compass（）.

What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.