Magnetic bearing of a survey line at any place-A-remains constantB-changes systematicallyC-varies differently in different months of the yearD-is always greater than true bearing.-C-varies differently in different months of the year

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APTITUDE CRACK · Accepted Answer

C varies differently in different months of the year ANSWER C IS CORRECT BECAUSE ITS DEPENDS UPON TEMPERATURE.

Surveying - Engineering

Magnetic bearing of a survey line at any place

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Surveying - Engineering

Magnetic bearing of a survey line at any place

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