The correction applied to the measured base of length ‘L’ is

A. Tension = (P - Ps)L/AE

B. Sag = L³w²/24P² where w is the weight of tape/m

C. Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports

D. All the above

Answer: Option D

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Related Questions on Surveying

A ’level line’ is a

A. horizontal line

B. line parallel to the mean spheriodal surface of earth

C. line passing through the center of cross hairs and the center of eye piece

D. line passing through the objective lens and the eye-piece of a dumpy or tilting level