Surveying If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to 1/d2 d2 d 1/d 1/d2 d2 d 1/d ANSWER DOWNLOAD EXAMIANS APP
Surveying Dumpy level is most suitable when fly levelling is being done over long distance the instrument is to be shifted frequently many readings are to be taken from a single setting of the instrument All of these fly levelling is being done over long distance the instrument is to be shifted frequently many readings are to be taken from a single setting of the instrument All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The method of surveying by triangulation was first introduced by the Dutchman Snell in 1615 1650 1600 1630 1615 1650 1600 1630 ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the celestial sphere vertically below the observer's position, is called Celestial point Pole Nadir Zenith Celestial point Pole Nadir Zenith ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference between a level line and a horizontal line is that horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line level line is a curved line while hori-zontal line is a straight line horizontal line is normal to plumb line while level line may not be normal to the plumb line both are same level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line level line is a curved line while hori-zontal line is a straight line ANSWER DOWNLOAD EXAMIANS APP
Surveying The instrument used for accurate centering in plane table survey is alidade spirit level plumbing fork trough compass alidade spirit level plumbing fork trough compass ANSWER DOWNLOAD EXAMIANS APP