Civil Engineering - Advanced Surveying

Exercise :: Advanced Surveying - Section 4

16. 

A star in northern sphere is said to transit

A. when its altitude is maximum
B. when its azimuth is 180°
C. when it is in south
D. all the above.

Answer: Option D

Explanation:

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17. 

In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of

A. Gauss' Mid Latitude formula
B. Delamber's method
C. Legendr's method
D. Least square method.

Answer: Option D

Explanation:

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18. 

Pick up the incorrect statement from the following. The angular distance of hevenly bodies on observer's meridian measured from the pole, is

A. co-declination
B. co-altitude
C. co-latitude
D. polar distance
E. none of these.

Answer: Option A

Explanation:

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19. 

Pick up the correct statement from the following :

A. Centre of the celestial sphere is taken as the position of the observer
B. Centre of the celestial sphere is taken as the centre of the earth
C. stars move and maintain their relative positions
D. Celestial bodies though fixed, appear to revolve from east to west round the celestial pole.
E. All the above.

Answer: Option E

Explanation:

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20. 

Parallax bar measures

A. parallax
B. height
C. parallax difference
D. height difference.

Answer: Option C

Explanation:

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