Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Ground principal point Iso-centre Ground plumb point Perspective centre Ground principal point Iso-centre Ground plumb point Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal line is the line joining the principal point and Perspective centre Isocenter None of these Nadir Perspective centre Isocenter None of these Nadir ANSWER DOWNLOAD EXAMIANS APP
Surveying The station where observations are not made, but the angles at the station are used in triangulation series, is known as Main station Subsidiary station Pivot station Satellite station Main station Subsidiary station Pivot station Satellite station ANSWER DOWNLOAD EXAMIANS APP
Surveying The prime vertical passes through The east point of the horizon All of these The zenith point of the observer The west point of the horizon The east point of the horizon All of these The zenith point of the observer The west point of the horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude of a place was obtained by subtracting the zenith distance of a star from its declination, the observed star was between Horizon and equator Zenith and pole Equator and zenith Pole and horizon Horizon and equator Zenith and pole Equator and zenith Pole and horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be 1 cm 4 cm 2 cm 3 cm 1 cm 4 cm 2 cm 3 cm ANSWER DOWNLOAD EXAMIANS APP
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