Surveying If α, H, A and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good sin A = cos δ/cos λ All listed here cos H = tan λ/tan δ sin α = sin λ/sin δ sin A = cos δ/cos λ All listed here cos H = tan λ/tan δ sin α = sin λ/sin δ ANSWER DOWNLOAD EXAMIANS APP
Surveying For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through Principal point Plumb point None of these Isocenter Principal point Plumb point None of these Isocenter 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/H sec θ f/H cos ½θ f sec θ/H f/H f/H sec θ f/H cos ½θ f sec θ/H f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying Agate cap is fitted with a chain prismatic compass cross staff level chain prismatic compass cross staff level ANSWER DOWNLOAD EXAMIANS APP
Surveying The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called Celestial horizon True horizon Sensible horizon Visible horizon Celestial horizon True horizon Sensible horizon Visible horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying Benchmark is established by hypsometry trigonometrical levelling barometric levelling spirit levelling hypsometry trigonometrical levelling barometric levelling spirit levelling ANSWER DOWNLOAD EXAMIANS APP
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