Surveying
A star may culminate at zenith if its declination is

Equal to the latitude of the place
Greater than the longitude of the place
Less than the latitude of the place
None of these

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Surveying
Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?

error due to wrong adjustment of line of collimation and trunnion axis
error due to eccentricity of verniers
error due to inaccurate graduation
error due to displacement of station signals

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Surveying
The necessary geometrical condition for triangulation adjustment is:

The sum of the angles around a station should be 360°
The sum of the eight angles of a braced quadrilateral should be 360°
All listed here
The sum of the three angles of a plane triangle should be 180°

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