Surveying The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is f/H f/H sec θ f/H cos ½θ f sec θ/H f/H f/H sec θ f/H cos ½θ f sec θ/H ANSWER DOWNLOAD EXAMIANS APP
Surveying In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as N66°30’W N23°30’W S113°30’N W23°30’N N66°30’W N23°30’W S113°30’N W23°30’N ANSWER DOWNLOAD EXAMIANS APP
Surveying Longitudes are measured from 0° to 360° eastward 180° westward 180° east or westward 180° eastward 360° eastward 180° westward 180° east or westward 180° eastward ANSWER DOWNLOAD EXAMIANS APP
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 Principal point Plumb point Isocenter Perspective centre Principal point Plumb point Isocenter Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying For a well-conditioned triangle, no angle should be less than 45° 30° 20° 60° 45° 30° 20° 60° ANSWER DOWNLOAD EXAMIANS APP
Surveying Limiting gradient for locating the base line on evenly-sloping ground, is 1 in 6 1 in 8 1 in 12 1 in 10 1 in 6 1 in 8 1 in 12 1 in 10 ANSWER DOWNLOAD EXAMIANS APP