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 Principal point Isocenter Perspective centre Plumb point Principal point Isocenter Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying 23 cm × 23 cm photographs are taken from a flying height with a camera of focal length of 3600 m and 15.23 cm respectively. A parallax difference of 0.01 mm represents 4 m 1 m 3 m 2 m 4 m 1 m 3 m 2 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The parallax equation Δp = BmΔh/H - h is applicable to entire overlap of the photographs only if parallax is measured Neither (A) nor (B) Parallel to base line Both (A) and (B) Normal to base line Neither (A) nor (B) Parallel to base line Both (A) and (B) Normal to base line ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h tan α/S h tan β/S h (tan α + tan β)/S h (tan α - tan β)/S h tan α/S h tan β/S h (tan α + tan β)/S h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying Closed contours, with higher value inwards, represent a hillock depression plain surface None of these hillock depression plain surface None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The solar tidal force divided by lunar tidal force is 5/4 3/4 1/2 1/3 5/4 3/4 1/2 1/3 ANSWER DOWNLOAD EXAMIANS APP
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