Surveying Contour interval is Larger for accurate works Inversely proportional to the scale of the map Larger if the time available is more Directly proportional to the flatness of ground Larger for accurate works Inversely proportional to the scale of the map Larger if the time available is more Directly proportional to the flatness of ground ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 90° 60° 45° 30° 90° 60° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to eccentricity of verniers error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to eccentricity of verniers error due to imperfect graduations ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas levelling measurement of angles measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas levelling measurement of angles ANSWER DOWNLOAD EXAMIANS APP
Surveying Invar tapes used for measuring base lines, is made of nickel-iron alloy containing nickel 0.36 0.4 0.6 0.24 0.36 0.4 0.6 0.24 ANSWER DOWNLOAD EXAMIANS APP
Surveying Cross staff is an instrument used for None of these setting out right angles measuring bearings of the lines measuring approximate horizontal angles None of these setting out right angles measuring bearings of the lines measuring approximate horizontal angles ANSWER DOWNLOAD EXAMIANS APP