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Civil Engineering - Advanced Surveying

Exercise : Advanced Surveying - Section 1
36.
The angle between the axis of earth and the vertical at the station of observation is called
astronomical latitude
astronomical co-latitude
co-declination of star
declination of star.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
For any star to be a circumpolar star, its
declination must be 0°
declination must be 90°
distance from the pole must be less than the latitude of the observer
hour angle must be 180°.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The elevation of the star at elongation is obtained by
sin α = sin φ cosec δ
sin α = sin φ sec δ
sin α = cos φ sec δ
sin α = cos φ cosec δ.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The necessary geometrical condition for triangulation adjustment, is :
The sum of the angles around a station should be 360°
The sum of the three angles of a plane triangle should be 180°
The sum of the eight angles of a braced quadrilateral should be 360°
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The correction applied to the measured base of length L is
where w is the weight of tape/m
where h is height difference of end supports
Reduction to mean sea level =
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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