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

Declination
Co-latitude
Co-declination
Latitude

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

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Surveying
Accidental errors

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

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