Probable accidental error in precise levelling as recommended by Inter – McqOptions

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1.	Probable accidental error in precise levelling as recommended by International Geodetic Association, should not exceed (where k is in kilometers.)
A.	idgah.
B.	¬± 0.1 k mm
C.	¬± 0.5 k mm
D.	¬± 1 k mm
Answer» D. ¬± 1 k mm

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