Surveying The elevation of the star at elongation is obtained by sin α = cos φ sec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ sin α = cos φ sec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method quicker and less tedious for large number of intermediate sights is not suitable for levelling with tilting levels provides a check on the reduction of intermediate point levels is less accurate than height of instrument method quicker and less tedious for large number of intermediate sights is not suitable for levelling with tilting levels provides a check on the reduction of intermediate point levels is less accurate than height of instrument method ANSWER DOWNLOAD EXAMIANS APP
Surveying The station pointer is generally used in Triangulation surveying Photogrammetric surveying Astronomical surveying Hydrographical surveying Triangulation surveying Photogrammetric surveying Astronomical surveying Hydrographical surveying ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of height of two points whose parallax difference is 0.8 mm on a pair of stereo pair taken from a height ‘H’ is 100 m. If mean photo base is 95.2 mm, the flying height is 12,000 m 10,000 m 8,000 m 14,000 m 12,000 m 10,000 m 8,000 m 14,000 m 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 sec θ f sin θ f cos θ f tan θ f sec θ f sin θ f cos θ f tan θ ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not used in measuring perpendicular offsets ? cross staff steel tape optical square line ranger cross staff steel tape optical square line ranger ANSWER DOWNLOAD EXAMIANS APP
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