Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 6 (Q.No. 8)
8.
The difference in the lengths of an arc and its subtended chord on the earth surface for a distance of 18.2 km, is only
Discussion:
45 comments Page 5 of 5.
Suryansh verma said:
3 years ago
For distance up to 18.2 km is 10 cm.
For distance up to 54.3 km is 30 cm.
For distance up to 91 km is 50 cm.
For distance up to 54.3 km is 30 cm.
For distance up to 91 km is 50 cm.
(19)
Mallamma said:
3 years ago
When the surveys extended over limited areas the difference in length between the arc and the subtended chord for any two points on the earth's surface is only about 0.1m for a distance of 18.2 km, 0.3m for 54.3 km and 0.5 m for 91 km.
(9)
Abinash said:
2 years ago
For 12km difference is 10mm.
For 18km difference will be nearly 15mm.
For 18km difference will be nearly 15mm.
(3)
Shams kakar said:
2 years ago
10mm for 12km.
15mm for 18km.
15mm for 18km.
(5)
Nitish Mahato said:
6 months ago
10 cm in a length of 18.2 Km.
30 cm in a length of 54.5 km.
50 cm in a length of 91 km.
30 cm in a length of 54.5 km.
50 cm in a length of 91 km.
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