Civil Engineering - Advanced Surveying

Exercise :: Advanced Surveying - Section 4

36. 

The angle between the observer's meridian and declination circle of a heavenly body, is known as

A. hour angle
B. azimuth
C. right ascension
D. declination.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

37. 

Pick up the correct statement from the following :

A. The measured stereoscopic base of photographs is obtained by dividing the air base in metres by the mean scale of the photograph
B. The difference between the absolute parallax of two points depends upon the difference in their elevations
C. The line joining the principal point of a photograph and the transferred principal point of the adjoining photograph, is called stereoscopic base
D. all the above.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

38. 

For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through

A. isocentre
B. plumb point
C. principal point
D. none of these.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

39. 

The sun's declination remains north between

A. March 21 to June 21
B. June 21 to September 21
C. September 21 to December 21
D. December 21 to Mach 21
E. both (a) and (b) of above.

Answer: Option E

Explanation:

No answer description available for this question. Let us discuss.

40. 

H is the flying height above mean ground level and f is the principal distance of a vertical photograph. The mean scale of the photographs is

A. H . f
B.
C.
D. H + f
E. none of these.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.