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:
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| 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:
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| 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:
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| 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:
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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 |
Answer: Option C
Explanation:
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