Surveying
The angle between the direction of star and the direction of earth's axis of rotation is called

Co-latitude
Latitude
Declination
Co-declination

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Surveying
A telescope is said to be inverted if its

vertical circle is to its left and the bubble of the telescope is down
vertical circle is to its right and the bubble of the telescope is up
vertical circle is to its right and the bubble of the telescope is down
vertical circle is to its left and the bubble of the telescope is up

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Surveying
Accidental errors

Are generally small
All of these
Do not follow any definite mathematical law
Cannot be removed by applying corrections to the observed values

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