Surveying
The point at which sun's declination changes from north to south, is known as

Both (B) and (C) of the above
First point of Libra
Vernal Equinox
First point of Aeries

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

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