Civil Engineering - Advanced Surveying - Discussion

Discussion Forum : Advanced Surveying - Section 4 (Q.No. 12)
12.
If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is
10°
20°
30°
40°
60°.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Inayat Ullah Kakar said:   10 months ago
Altitude = 90°-(∆-$).
∆ = terrestrial latitude=0 because at altitude at lower collimation.
$ = declination = 60°.
Altitude = 90° + 60 = 150°>90°.

So,
Altitude= 180°-150°.
= 30°.
(1)

Kajal said:   6 years ago
How? Explain it.

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