Surveying
Polaris is usually observed for the determination of the azimuth when it is

At elongation
Either at culmination or at elongation
At culmination
Neither at culmination nor at elongation

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Surveying
The cross hairs in the surveying telescope are placed

much closer to the eye-piece than to the objective lens
anywhere between eye-piece and objective lens
much closer to the objective lens than to the eye piece
midway between eye piece and objec-tive lens

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