Surveying The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as Plumb point Perspective centre Principal point Isocenter Plumb point Perspective centre Principal point Isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is 77° N 13° E 13° W 23° S 77° N 13° E 13° W 23° S ANSWER DOWNLOAD EXAMIANS APP
Surveying If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is 20° 30° 10° 40° 20° 30° 10° 40° ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be closer to the higher station as far as possible from the line AB closer to the lower station equidistant from A and B closer to the higher station as far as possible from the line AB closer to the lower station equidistant from A and B ANSWER DOWNLOAD EXAMIANS APP
Surveying The elevation of the star at elongation is obtained by sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ cosec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = sin φ sec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The rise and fall method provides a check on the reduction of intermediate point levels is less accurate than height of instrument method is not suitable for levelling with tilting levels quicker and less tedious for large number of intermediate sights provides a check on the reduction of intermediate point levels is less accurate than height of instrument method is not suitable for levelling with tilting levels quicker and less tedious for large number of intermediate sights ANSWER DOWNLOAD EXAMIANS APP
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