Civil Engineering :: Surveying
- Three point problem can be solved by
- The zenith is the point on the celestial sphere
- The allowable length of an offset depends upon the
- The great circle whose plane is perpendicular to the axis of rotation of the earth, is called
- The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called
- To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is
- The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is
- The Polaris describes a small circle round the pole whose radius is approximately
- Sensitiveness of a level tube is designated by