Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 6 (Q.No. 37)

Surveying

37.

Pick up the correct statement from the following :

it is difficult to eliminate an error completely at first trial

instability of the instrument makes it almost impossible to adjust it satisfactorily

adjustment screws must be left bearing firmly but should never be forced

all the above.

Answer: Option

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