Civil Engineering :: Surveying
- Bowditch rule is applied to
- The adjustment of horizontal cross hair is required particularly when the instrument is used for
- Pick up the correct statement from the following:
- Pick up the correct statement from the following:
- For any star to be a circumpolar star, its
- The sidereal day is the time interval between two successive upper transits of
- If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will
- The prismatic compass and surveyor’s compass
- The position of the sun when its north declination is maximum is known as
- The rate of change of parallax dp/dh with respect to change in h, may be expressed as
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 |