Keeping the instrument height as 1 m; length of staff 4 m; the up gradient of the ground 1 in 10; the sight on the up slope must be less than

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Question:
Keeping the instrument height as 1  m; length of staff 4 m; the up gradient of the ground 1 in 10; the sight on the up slope must be less than

1.25 cm

2.20 m

3.45 m

4.10 m

Posted Date:-2021-03-26 07:54:39

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