When adjusting a magnetic compass using the fore-and-aft permanent magnets,you should().
What are the only magnetic compass correctors that correct for both permanent and induced effects of magnetism?()
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed,the watch officer should record the results().
A magnetic strainer is used in the diesel engine reduction gear oil system to remove small particles of().
The compass error of a magnetic compass that has no deviation is().
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().
Magnetic variation changes with a change in().
Before a magnetic compass is adjusted certain correctors must be checked to ensure that they are free of permanent magnetism. These correctors are the().
Error may be introduced into a magnetic compass by().
The error in a magnetic compass caused by the vessel’s magnetism is called().