Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 sq km 0.60 sq km 0.50 sq km 0.56 sq km 0.64 sq km 0.60 sq km 0.50 sq km 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The suitable contour interval for a map with scale 1 : 10000 is 20 m 5 m 2 m 10 m 20 m 5 m 2 m 10 m ANSWER DOWNLOAD EXAMIANS APP
Surveying Direct method of contouring is suitable for hilly terrains a quick method most accurate method adopted for large surveys only suitable for hilly terrains a quick method most accurate method adopted for large surveys only ANSWER DOWNLOAD EXAMIANS APP
Surveying The plane at right angle to the zenith-nadir line and passing through the centre of the earth, is called Rational horizon All of these True horizon Celestial horizon Rational horizon All of these True horizon Celestial horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying At eastern elongation, the pole star moves Northward Southward Westward Eastward Northward Southward Westward 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 Isocenter Principal point Perspective centre Plumb point Isocenter Principal point Perspective centre Plumb point ANSWER DOWNLOAD EXAMIANS APP
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