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
hour angle
azimuth
right ascension
declination.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Pick up the correct statement from the following :
The measured stereoscopic base of photographs is obtained by dividing the air base in metres by the mean scale of the photograph
The difference between the absolute parallax of two points depends upon the difference in their elevations
The line joining the principal point of a photograph and the transferred principal point of the adjoining photograph, is called stereoscopic base
all the above.
Answer: Option
Explanation:
No answer description is available. Let's 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
isocentre
plumb point
principal point
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
The sun's declination remains north between
March 21 to June 21
June 21 to September 21
September 21 to December 21
December 21 to Mach 21
both (a) and (b) of above.
Answer: Option
Explanation:
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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
H . f
H + f
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.