Civil Engineering :: Surveying
- A star is said to elongate
- If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is
- The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between
- The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between
- The flying height of the camera is 1,000 m above mean ground level, the distance of the top of a building from a nadir point is 10 cm and the relief displacement of building is 7.2 mm. The height of the building, is
- The stereo plotting instruments are generally manufactured on the principle of
- The true and mean suns occupy the same meridian at the same time on
- If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is
- The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as
- In a spherical triangle ABC right angled at C, sin b equals to