Civil Engineering - Advanced Surveying - Discussion

Discussion Forum : Advanced Surveying - Section 1 (Q.No. 27)

Advanced Surveying

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:

No answer description is available. Let's discuss.

Discussion:

1 comments Page 1 of 1.

Animesh adak said: 1 decade ago

By which instrument declination is measured ?

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