Surveying ‘H’ is the flying height above mean ground level and ‘f’ is the principal distance of a vertical photograph. The mean scale of the photographs is f/H H + f H. f H/f f/H H + f H. f H/f ANSWER DOWNLOAD EXAMIANS APP
Surveying In a spherical triangle ABC right angled at C, sin b equals to sin c sin B cos c cos B tan c tan B sin c cos B sin c sin B cos c cos B tan c tan B sin c cos B ANSWER DOWNLOAD EXAMIANS APP
Surveying The instrument used for accurate centering in plane table survey is trough compass spirit level alidade plumbing fork trough compass spirit level alidade plumbing fork 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
Surveying If two points differing by 1° of latitude and of the same longitude is 110 km apart on the earth, then two astronomical positions on the moon is about 30 km 10 km 25 km 50 km 30 km 10 km 25 km 50 km ANSWER DOWNLOAD EXAMIANS APP
Surveying The station which is selected close to the main triangulation station, to avoid intervening obstruction, is not known as Satellite station Pivot station False station Eccentric station Satellite station Pivot station False station Eccentric station ANSWER DOWNLOAD EXAMIANS APP