Surveying The elevation of the star at elongation is obtained by 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 sin α = cos φ cosec δ sin α = cos φ sec δ 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 Perspective centre Plumb line Principal point Isocenter Perspective centre Plumb line Principal point Isocenter ANSWER DOWNLOAD EXAMIANS APP
Surveying The nautical mile is the length of 1 degree of latitude 1 degree of longitude 1 minute of longitude 1 minute of latitude 1 degree of latitude 1 degree of longitude 1 minute of longitude 1 minute of latitude ANSWER DOWNLOAD EXAMIANS APP
Surveying The difference of parallax for a given difference in elevation is independent of Focal length of the camera Overall size of the photo graphs All listed here Percentage of overlap Focal length of the camera Overall size of the photo graphs All listed here Percentage of overlap ANSWER DOWNLOAD EXAMIANS APP
Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = H/bf B = bH/f B = b/fH B =f/bH B = H/bf B = bH/f B = b/fH B =f/bH ANSWER DOWNLOAD EXAMIANS APP
Surveying Pick up the correct statement from the following. The difference between the longitudes of the places is obtained. By subtracting their longitudes if places are in the same hemisphere By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres By adding their longitudes if places are in the different hemispheres All of these By subtracting their longitudes if places are in the same hemisphere By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres By adding their longitudes if places are in the different hemispheres All of these ANSWER DOWNLOAD EXAMIANS APP
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