Geography
JAMB 2020
Which of the following is not a precaution to be taken when making a compass traverse?
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A.
The bearing should not be observed from a position close to strongly magnetic materials
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B.
The 'back' bearing should be taken from the other end of the line and should differ from the 'on'/'forward' bearing by exactly 180\(^{o}\)
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C.
All magnetic materials should be removed from the body and pockets of the reader before the bearing is taken
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D.
The compass must be held vertically so that the edge of the card does not rub against the top of the compass
Correct Answer: Option D
Explanation
The compass must be held horizontally, so that the edge of the card does not rub against the top of the compass
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