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 f/(H - h) f/(H + h) (H - h)/f f/H f/(H - h) f/(H + h) (H - h)/f ANSWER DOWNLOAD EXAMIANS APP
Surveying The time interval between successive transits of the moon, is 20 hours 25 minutes 24 hours 10 minutes 24 hours 50 minutes 23 hours 50 minutes 20 hours 25 minutes 24 hours 10 minutes 24 hours 50 minutes 23 hours 50 minutes ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude (λ) of a place and the altitude (α) of the pole are related by λ = α - 90° λ = α λ = 180° - α λ = 90° - α λ = α - 90° λ = α λ = 180° - α λ = 90° - α ANSWER DOWNLOAD EXAMIANS APP
Surveying To have greatest coverage of the area, the type of photography used, is None of these Low oblique Vertical High oblique None of these Low oblique Vertical High oblique ANSWER DOWNLOAD EXAMIANS APP
Surveying Polaris is usually observed for the determination of the azimuth when it is At culmination Either at culmination or at elongation At elongation Neither at culmination nor at elongation At culmination Either at culmination or at elongation At elongation Neither at culmination nor at elongation ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by None of these cos H = tan φ . cot δ sin H = tan φ . cot δ tan H = tan φ . cot δ None of these cos H = tan φ . cot δ sin H = tan φ . cot δ tan H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
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