Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to imperfect adjustment of plate levels error due to line of collimation not being perpendicular to horizontal axis error due to imperfect graduations error due to eccentricity of verniers error due to imperfect adjustment of plate levels error due to line of collimation not being perpendicular to horizontal axis error due to imperfect graduations error due to eccentricity of verniers 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 β/S h (tan α - tan β)/S h (tan α + tan β)/S h tan α/S h tan β/S h (tan α - tan β)/S h (tan α + tan β)/S h tan α/S ANSWER DOWNLOAD EXAMIANS APP
Surveying Triangulation surveys are carried out for locating Control points for surveys of large areas Control points for photogrammetric surveys All of these Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. Control points for surveys of large areas Control points for photogrammetric surveys All of these Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. ANSWER DOWNLOAD EXAMIANS APP
Surveying Size of a theodolite is specified by the diameter of vertical circle the diameter of lower plate the diameter of upper plate the length of telescope the diameter of vertical circle the diameter of lower plate the diameter of upper plate the length of telescope ANSWER DOWNLOAD EXAMIANS APP
Surveying The time interval between successive transits of the moon, is 24 hours 50 minutes 20 hours 25 minutes 23 hours 50 minutes 24 hours 10 minutes 24 hours 50 minutes 20 hours 25 minutes 23 hours 50 minutes 24 hours 10 minutes 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
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