Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west（）.
A: Heeling magnet
B: Flinders bar
C: Fore-and-aft magnets
D: All of the above can be set on magnetic east or magnetic west heading
A: Heeling magnet
B: Flinders bar
C: Fore-and-aft magnets
D: All of the above can be set on magnetic east or magnetic west heading
举一反三
- 14. The magnetic compass magnets are acted on by the horizontal component of the Earth's total magnetic force. This magnetic force is GREATEST at the ______.
- 词汇与结构We have to adjust heading to follow the course due to the existence of ________. A: magnetic north B: magnetic influence C: magnetic variation D: magnetic difference
- With the help of suspended magnetic element, a compass can aid people by ______ of the horizontal component of Earth's magnetic field.
- A closed path followed by main magnetic flux is known as a ( ). A: Magnetic circuit B: Electric circuit C: Magnetic saturation circuit D: None of the above
- If magnetic compass is not affected by any magnetic field other than the Earth’s, which statement is TRUE ___. 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 erro