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Q1: To avoid large centering error with very short legs, observations are generally made

A to chain pins

B by using optical system for centering the theodolite

C to a target fixed on theodolite tripod on which theodolite may be fitted easily

D all the above.

ANS:C - to a target fixed on theodolite tripod on which theodolite may be fitted easily

The Answer is C.

This is the most effective approach because it eliminates the need for independent centering of the instrument. The target is already aligned with the tripod's center, ensuring accuracy and minimizing the impact of short legs. This method is also fast and convenient.



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