Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by tan z = sec φ . cos δ None of these sin z = sec φ . cos δ cos z = sec φ . cos δ tan z = sec φ . cos δ None of these sin z = sec φ . cos δ cos z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying For mapping any country Primary triangles are broken down into secondary triangles of somewhat lesser accuracy Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys Geodetic triangulation of greatest possible sides and accuracy is carried out All listed here Primary triangles are broken down into secondary triangles of somewhat lesser accuracy Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys Geodetic triangulation of greatest possible sides and accuracy is carried out All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is 2f2 3f2 f2 ½f 2f2 3f2 f2 ½f ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors cannot be eliminated by taking both face observations ? index error i.e. error due to imperfect adjustment of the vertical circle vernier None of these error due to horizontal axis not being perpendicular to the vertical axis error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier None of these error due to horizontal axis not being perpendicular to the vertical axis error due to non-parallelism of the axis of telescope level and line of collimation ANSWER DOWNLOAD EXAMIANS APP
Surveying The sun's declination remains north between September 21 to December 21 Both (A) and (B) of above June 21 to September 21 March 21 to June 21 September 21 to December 21 Both (A) and (B) of above June 21 to September 21 March 21 to June 21 ANSWER DOWNLOAD EXAMIANS APP
Surveying The permissible error in chaining for measurement with chain on rough or hilly ground is 1 in 500 1 in 100 1 in 1000 1 in 250 1 in 500 1 in 100 1 in 1000 1 in 250 ANSWER DOWNLOAD EXAMIANS APP
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