Surveying
Pick up the incorrect statement from the following. The angular distance of heavenly bodies on observer's meridian measured from the pole, is

Co-declination
Co-altitude
Polar distance
Co-latitude

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Surveying
Sidereal day

All listed here
Is the period of time taken by the earth in making a complete rotation with reference to stars
Is slightly shorter than an ordinary solar day
Is divided into the conventional hours, minutes and seconds

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Surveying
Circumpolar stars

Remain always above the horizon
Are seldom seen near the pole star
Rotate round the celestial pole
Rotate round the North Pole

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

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