Surveying
The nautical mile is the length of

1 degree of latitude
1 minute of longitude
1 minute of latitude
1 degree of longitude

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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 inaccurate graduation
error due to eccentricity of verniers
error due to displacement of station signals

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