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Surveying - Engineering

Q1:

Number of subdivisions per metre length of a levelling staff is

A 100

B 200

C 500

D 1000

ANS:B - 200

Here Each sub division = 5mm,
1m = 1000mm,
So, 1000/5 = 200. The distance of 1 between to redline in leveling staff is 5 mm so subdivision is 5 mm.
For 1 meter length- 1000/5 so answer is 200 mm. Each sub division = 5mm,
1m = 1000mm,
1000/5 = 200.