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 1 of 5.
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)
Ashu said:
9 years ago
@Raihan.
Number of the difference between the arc length and its subtended chord on the earth surface for a distance of 18.2 km is 0.1 m. So the correct option is (c) 10 cm.
Number of the difference between the arc length and its subtended chord on the earth surface for a distance of 18.2 km is 0.1 m. So the correct option is (c) 10 cm.
Sohel said:
9 years ago
But in a book of surveying, the difference is 1cm for 12 km distance so how it is possible to 10 cm for 18.2 km? As per book answer will be 1.5 cm.
Shailendra kumar mahato said:
7 years ago
For distance upto 18.2 km is 10 cm.
For distance upto 54.3 km is 30 cm.
For distance upto 91 km is 50 cm.
Ref: RS Khurmi(clause 5.1).
For distance upto 54.3 km is 30 cm.
For distance upto 91 km is 50 cm.
Ref: RS Khurmi(clause 5.1).
JEET said:
5 years ago
For distance upto 18.2 km is 10 cm.
For distance upto 54.3 km is 30 cm.
For distance upto 91 km is 50 cm.
Ref: RS Khurmi(clause 5.1)
For distance upto 54.3 km is 30 cm.
For distance upto 91 km is 50 cm.
Ref: RS Khurmi(clause 5.1)
(1)
SUDHEESHBABU said:
6 years ago
The answer was 0.1m for 18.2km.
Acc to surveying and leveling by kanetkar page no. 3.
I'm very sure. So don't study other values.
Acc to surveying and leveling by kanetkar page no. 3.
I'm very sure. So don't study other values.
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)
RAJ KUMAR said:
8 years ago
IN BC PUNMEA 12KM =1 CM.
BUT IT IS WRONG.
IN ACTUAL 18.5 KM=1CM=10MM.
This is the correct one.
BUT IT IS WRONG.
IN ACTUAL 18.5 KM=1CM=10MM.
This is the correct one.
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.
Raihan said:
1 decade ago
For 12 km the difference = 1 cm.
So for 18.2 km = 18. 2-1/12 = 1.52 cm = 15 mm.
So for 18.2 km = 18. 2-1/12 = 1.52 cm = 15 mm.
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers