Civil Engineering - Advanced Surveying - Discussion

Discussion Forum : Advanced Surveying - Section 1 (Q.No. 27)
27.
Pick up the correct statement from the following :
Refraction correction is zero when the celestial body is in the zenith
Refraction correction is 33' when the celestial body is on the horizon
Refraction correction of celestial bodies depends upon their altitudes
all the above.
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.

Animesh adak said:   1 decade ago
By which instrument declination is measured ?

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