Surveying The elevation of the star at elongation is obtained by sin α = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = sin φ sec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be 6 mm 4 mm 2 mm 10 mm 6 mm 4 mm 2 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying For adjusting a quadrilateral whose both the diagonals are observed, the equations of conditions involved, are One angle equation and three side equations None of these Three angle equations and one side equation Two angle equations and two side equations One angle equation and three side equations None of these Three angle equations and one side equation Two angle equations and two side equations ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the minor control point and the principal point should be equal to Base line of the left photograph of stereo pair Sum of the base lines of stereo pair Mean of the base lines of the stereo pair Base line of the right photograph of stereo pair Base line of the left photograph of stereo pair Sum of the base lines of stereo pair Mean of the base lines of the stereo pair Base line of the right photograph of stereo pair ANSWER DOWNLOAD EXAMIANS APP
Surveying The foot of the perpendicular on the picture plane through the optical centre of the camera lens, is known as Plumb line Perspective centre Principal point Isocenter Plumb line Perspective centre Principal point Isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying The suitable contour interval for a map with scale 1 : 10000 is 5 m 2 m 10 m 20 m 5 m 2 m 10 m 20 m ANSWER DOWNLOAD EXAMIANS APP
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