Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f sec θ f sin θ f tan θ f cos θ f sec θ f sin θ f tan θ f cos θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as False station Eccentric station Satellite station Pivot station False station Eccentric station Satellite station Pivot station ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ sec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying Benchmark is established by trigonometrical levelling barometric levelling hypsometry spirit levelling trigonometrical levelling barometric levelling hypsometry spirit levelling ANSWER DOWNLOAD EXAMIANS APP
Surveying Normal tension is that pull which makes the correction due to pull equal to zero neutralizes the effect due to pull and sag is used at the time of standardising the tape makes the correction due to sag equal to zero makes the correction due to pull equal to zero neutralizes the effect due to pull and sag is used at the time of standardising the tape makes the correction due to sag equal to zero ANSWER DOWNLOAD EXAMIANS APP
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 4000 m 7000 m 6000 m 5000 m 4000 m 7000 m 6000 m 5000 m ANSWER DOWNLOAD EXAMIANS APP