Civil Engineering - Advanced Surveying - Discussion

Discussion Forum : Advanced Surveying - Section 4 (Q.No. 13)
13.
The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is
5100 nautical miles
5700 nautical miles
120 nautical miles
500 nautical miles
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Adeel Rehman said:   5 years ago
Distance of longitudes at a specific latitude = Total longitude difference * one longitude equivalent miles on the equator i.e. 60 * Cos(latitude).

= (93+97)*60 miles* Cos(60) = 5700.
(2)

Ajay said:   7 years ago
= (93 + 97) * 60/2 = 5700.
(1)

Pratik said:   7 years ago
How? please explain.

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