Surveying
The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between

Zenith and pole
Equator and zenith
Horizon and equator
Pole and horizon

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Surveying
The difference between a level line and a horizontal line is that

level line is a curved line while hori-zontal line is a straight line
level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line
both are same
horizontal line is normal to plumb line while level line may not be normal to the plumb line

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Surveying
In the prismatic compass

the magnetic needle moves with the box
the magnetic needle and graduated circle do not move with the box
the line of the sight does not move with the box
the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

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Surveying
The cross hairs in the surveying telescope are placed

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

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