Surveying The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than 0.0001 second None of these 0.01 second 0.001 second 0.0001 second None of these 0.01 second 0.001 second 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 cos H = tan φ . cot δ None of these tan H = tan φ . cot δ sin H = tan φ . cot δ cos H = tan φ . cot δ None of these tan H = tan φ . cot δ sin H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
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 tan θ f cos θ f sin θ f sec θ f tan θ f cos θ f sin θ f sec θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The relief displacement of a building 72 m high on photograph is 7.2 mm and its top appears 10 cm away from principal point. The flying height of the camera, is 500 m 2000 m 1000 m 1500 m 500 m 2000 m 1000 m 1500 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude (λ) of a place and the altitude (α) of the pole are related by λ = α λ = 180° - α λ = α - 90° λ = 90° - α λ = α λ = 180° - α λ = α - 90° λ = 90° - 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 principal point is f sec θ/H f/H f/H cos ½θ f/H sec θ f sec θ/H f/H f/H cos ½θ f/H sec θ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS