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
1 cm
5 cm
10 cm
100 cm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
45 comments Page 2 of 5.

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.
(1)

A k singh said:   7 years ago
It should be 10mm.
(1)

Santosh Neelannavar said:   7 years ago
The correct answer 10cm.
18.2km =0.1m.
54.3km = 0.3m.
90km = 0.5m.
(1)

Rakesh Kumar Chhalotre said:   7 years ago
12km - 1cm.

So, for 18.2km - 1.5cm = 15mm is correct.
(1)

JEET said:   6 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)
(1)

Bhupesh said:   6 years ago
10mm is correct.

Badal kumar said:   6 years ago
10mm is the correct Answer.

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.

Dhanaraj said:   6 years ago
How to find an answer for this? Please tell me.

Shivam said:   5 years ago
I am not getting this. Please explain in detail.


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