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In a transit theodolite, error due to eccentricity of verniers is eliminated by reading:

In a transit theodolite, error due to eccentricity of verniers is eliminated by reading: Correct Answer Both verniers

The method of repetition eliminates different errors present in measurement of horizontal angle as follows:

  • The errors due to eccentricity of verniers and centres get eliminated as readings from both the verniers are taken.
  • The errors due to inaccurate graduations get eliminated as the readings are observed at different parts of the circle.
  • The errors due to lack in adjustment of line of collimation and the horizontal axis of the instrument get eliminated for considering both faces readings.
  • Errors due to inaccurate bisection of the object, eccentric centering etc are eliminated partially as these get counter-balanced in different observations.

Note: The errors due to slip, due to displacement of station or its signal do not get eliminated and moreover, these errors are of cumulative in nature.

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