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 All listed here sin A = cos δ/cos λ cos H = tan λ/tan δ sin α = sin λ/sin δ All listed here sin A = cos δ/cos λ cos H = tan λ/tan δ sin α = sin λ/sin δ 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 f/H cos ½θ f sec θ/H f/H sec θ f/H f/H cos ½θ f sec θ/H f/H sec θ 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 All of these Rational horizon True horizon Celestial horizon All of these Rational horizon True horizon Celestial horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying The allowable length of an offset depends upon the All of these method of setting out the perpendiculars and nature of ground scale of plotting degree of accuracy required All of these method of setting out the perpendiculars and nature of ground scale of plotting degree of accuracy required ANSWER DOWNLOAD EXAMIANS APP
Surveying Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year Twice Four times Thrice Once Twice Four times Thrice Once ANSWER DOWNLOAD EXAMIANS APP
Surveying The orthogonal projection of the perspective centre on a tilted photograph, is called Plumb point Nadir Isocenter Principal point Plumb point Nadir Isocenter Principal point ANSWER DOWNLOAD EXAMIANS APP
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