Surveying The want of correspondence in stereo-photographs Is not affected by the change of flying height between photographs Is minimum when θ is 3° Is a good property Is a function of tilt Is not affected by the change of flying height between photographs Is minimum when θ is 3° Is a good property Is a function of tilt 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 cos ½θ f/H sec θ f sec θ/H f/H f/H cos ½θ f/H sec θ f sec θ/H f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying The error due to eccentricity of inner and outer axes can be eliminated by double sighting taking both face observations and taking the mean of the two reading both verniers and taking the mean of the two taking mean of several readings distributed over different portions of the graduated circle double sighting taking both face observations and taking the mean of the two reading both verniers and taking the mean of the two taking mean of several readings distributed over different portions of the graduated circle ANSWER DOWNLOAD EXAMIANS APP
Surveying A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is Δ/4 Δ/6 Δ/2 Δ/3 Δ/4 Δ/6 Δ/2 Δ/3 ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is All of these Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Sag = L³w²/24P² where w is the weight of tape/m All of these Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Sag = L³w²/24P² where w is the weight of tape/m ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method is less accurate than height of instrument method provides a check on the reduction of intermediate point levels quicker and less tedious for large number of intermediate sights is not suitable for levelling with tilting levels is less accurate than height of instrument method provides a check on the reduction of intermediate point levels quicker and less tedious for large number of intermediate sights is not suitable for levelling with tilting levels ANSWER DOWNLOAD EXAMIANS APP