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Surveying - Engineering

Q1:

Probable systematic error in precise levelling as recommended by International Geodetic Association should not exceed
(where k is in kilometers.)

A ± 0.1 k mm

B ± 0.2 k mm

C ± 0.1 k

D 0.2 k mm.

ANS:D - 0.2 k mm.

Systematic error also known as cumulative error and it's continuously increase with survey work so it's only positive not +or- Given answer is wrong. +/-6√k is the right one. Where k in a kilometer. (+/-)0.006√k is for precise levelling.