Surveying Refraction correction has no effect on curvature correction partially eliminates curvature correction completely eliminates curvature correction adds to the curvature correction has no effect on curvature correction partially eliminates curvature correction completely eliminates curvature correction adds to the curvature correction ANSWER DOWNLOAD EXAMIANS APP
Surveying If the staff is not held vertical at a level¬ling station, the reduced level calculated from the observation would be true R.L. None of these more than true R.L. less than true R.L. true R.L. None of these more than true R.L. less than true R.L. ANSWER DOWNLOAD EXAMIANS APP
Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 7000 m 6000 m 5000 m 4000 m 7000 m 6000 m 5000 m 4000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal plane contains All of these Principal point Nadir point Iso-centre All of these Principal point Nadir point Iso-centre 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 imperfect graduations error due to eccentricity of verniers error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to imperfect graduations error due to eccentricity of verniers ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference in longitude of two places expressed in time is equal to the difference in their Sidereal time Mean solar time Apparent solar time All listed here Sidereal time Mean solar time Apparent solar time All listed here ANSWER DOWNLOAD EXAMIANS APP
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