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 5000 m 7000 m 4000 m 6000 m 5000 m 7000 m 4000 m 6000 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 Rational horizon Celestial horizon All of these True horizon Rational horizon Celestial horizon All of these True horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying Sensitiveness of a level tube is designated by radius of level tube None of these length of level tube length of bubble of level tube radius of level tube None of these length of level tube length of bubble of level tube ANSWER DOWNLOAD EXAMIANS APP
Surveying A ’level line’ is a horizontal line line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level horizontal line line parallel to the mean spheriodal surface of earth line passing through the center of cross hairs and the center of eye piece line passing through the objective lens and the eye-piece of a dumpy or tilting level ANSWER DOWNLOAD EXAMIANS APP
Surveying The Polaris describes a small circle round the pole whose radius is approximately 2° 4° 3° 1° 2° 4° 3° 1° ANSWER DOWNLOAD EXAMIANS APP
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