Civil Engineering :: Surveying
- Longitudes are measured from 0° to
- If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by
- If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by
- The altitude of a circumpolar star is maximum when it is
- Rotation of the camera at exposure about its vertical axis, is known as
- The angle between the observer's meridian and declination circle of a heavenly body, is known as
- Which of the following methods of plane table surveying is used to locate the position of an inaccessible point ?
- Which of the following errors cannot be eliminated by taking both face observations ?