Surveying Polaris is usually observed for the determination of the azimuth when it is At elongation Either at culmination or at elongation Neither at culmination nor at elongation At culmination At elongation Either at culmination or at elongation Neither at culmination nor at elongation At culmination ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = cos φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ 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 f2 ½f 2f2 3f2 f2 ½f 2f2 3f2 ANSWER DOWNLOAD EXAMIANS APP
Surveying Triangulation surveys are carried out for locating Control points for surveys of large areas Control points for photogrammetric surveys Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. All of these Control points for surveys of large areas Control points for photogrammetric surveys Engineering works, i.e. terminal points of long tunnels, bridge abutments, etc. All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The instrument used for accurate centering in plane table survey is spirit level alidade trough compass plumbing fork spirit level alidade trough compass plumbing fork ANSWER DOWNLOAD EXAMIANS APP
Surveying The graduations in prismatic compassi) are invertedii) are uprightiii) run clockwise having 0° at southiv) run clockwise having 0° at northThe correct answer is (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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