eping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the ht on the down-slope, must be less than_ _m. . 15 20 25 -. 30

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter14: Highway Surveys And Location
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Levelling Question 8
Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the
sight on the down-slope, must be less than_
_m.
1. 15
2. 20
3. 25
4. 30
Transcribed Image Text:Levelling Question 8 Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than_ _m. 1. 15 2. 20 3. 25 4. 30
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