In precision theodolite traverse if included angles are read twice and – McqOptions

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1.	In precision theodolite traverse if included angles are read twice and the mean reading accepted using both verniers having a least count of 30". Assuming the instrument to be in perfect adjustment, linear measurements correct to 6 mm per 30 metre tape duly corrected for temperature, slope and sag, the angular error of closure not to exceed (where n is the number of traverse legs)
A.	50" n
B.	30" n
C.	60" n.
Answer» B. 30" n

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