Surveying In an internal focussing type of telescope, the lens provided is plano-concave convex plano-convex concave plano-concave convex plano-convex concave ANSWER DOWNLOAD EXAMIANS APP
Surveying The suitable contour interval for a map with scale 1 : 10000 is 2 m 5 m 20 m 10 m 2 m 5 m 20 m 10 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The stereo plotting instruments are generally manufactured on the principle of Mechanical projection Optical projection All of these Optical mechanism projection Mechanical projection Optical projection All of these Optical mechanism projection ANSWER DOWNLOAD EXAMIANS APP
Surveying The number of horizontal cross wires in a stadia diaphragm is one two three four one two three four ANSWER DOWNLOAD EXAMIANS APP
Surveying The error due to eccentricity of inner and outer axes can be eliminated by taking both face observations and taking the mean of the two double sighting taking mean of several readings distributed over different portions of the graduated circle reading both verniers and taking the mean of the two taking both face observations and taking the mean of the two double sighting taking mean of several readings distributed over different portions of the graduated circle reading both verniers and taking the mean of the two ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h (tan α + tan β)/S h tan β/S h (tan α - tan β)/S h tan α/S h (tan α + tan β)/S h tan β/S h (tan α - tan β)/S h tan α/S ANSWER DOWNLOAD EXAMIANS APP