Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? 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 error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels ANSWER DOWNLOAD EXAMIANS APP
Surveying For a line AB both (A) and (B) are correct the forebearing of AB and back bearing of AB differ by 180° none is correct the forebearing of AB and back bearing of BA differ by 180° both (A) and (B) are correct the forebearing of AB and back bearing of AB differ by 180° none is correct the forebearing of AB and back bearing of BA differ by 180° ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not used in measuring perpendicular offsets ? line ranger cross staff optical square steel tape line ranger cross staff optical square steel tape ANSWER DOWNLOAD EXAMIANS APP
Surveying Height of instrument method of levelling is more accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these less accurate than rise and fall method more accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these less accurate than rise and fall method ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference in longitude of two places expressed in time is equal to the difference in their All listed here Mean solar time Sidereal time Apparent solar time All listed here Mean solar time Sidereal time Apparent solar time ANSWER DOWNLOAD EXAMIANS APP
Surveying The following sights are taken on a “turning point” foresight and backsight foresight and intermediate sight foresight only foresight only foresight and backsight foresight and intermediate sight foresight only foresight only ANSWER DOWNLOAD EXAMIANS APP