Surveying To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30,000, with a camera of 30 cm focal length, the flying height is 7000 m 4000 m 6000 m 5000 m 7000 m 4000 m 6000 m 5000 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called True horizon Rational horizon All of these Celestial horizon True horizon Rational horizon All of these Celestial horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying Sensitiveness of a level tube is designated by length of bubble of level tube radius of level tube length of level tube None of these length of bubble of level tube radius of level tube length of level tube None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line passing through the center of cross hairs and the center of eye piece line parallel to the mean spheriodal surface of earth line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line passing through the center of cross hairs and the center of eye piece line parallel to the mean spheriodal surface of earth ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris describes a small circle round the pole whose radius is approximately 1° 2° 4° 3° 1° 2° 4° 3° ANSWER DOWNLOAD EXAMIANS APP
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