Surveying Polaris is usually observed for the determination of the azimuth when it is At elongation Either at culmination or at elongation At culmination Neither at culmination nor at elongation At elongation Either at culmination or at elongation At culmination Neither at culmination nor at elongation ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58 sin α 58" tan α 58 cos α 58" cot α 58 sin α 58" tan α 58 cos α 58" cot α ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f/H sec θ f/H f/H cos ½θ f sec θ/H f/H sec θ f/H f/H cos ½θ f sec θ/H ANSWER DOWNLOAD EXAMIANS APP
Surveying With the rise of temperature, the sensitivity of a bubble tube increases decreases None of these remains unaffected increases decreases None of these remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a vertical photograph of focal length ‘f’ taken from height of ‘H’ metres above M.S.L., at a point of reduced level ‘h’, is f/(H - h) f/H f/(H + h) (H - h)/f f/(H - h) f/H f/(H + h) (H - h)/f ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle of intersection of the two plane mirrors of an optical square is 45° 60° 90° 30° 45° 60° 90° 30° ANSWER DOWNLOAD EXAMIANS APP
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