Surveying In an internal focussing type of telescope, the lens provided is plano-convex concave plano-concave convex plano-convex concave plano-concave convex ANSWER DOWNLOAD EXAMIANS APP
Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = b/fH B = H/bf B = bH/f B =f/bH B = b/fH B = H/bf B = bH/f B =f/bH ANSWER DOWNLOAD EXAMIANS APP
Surveying The point on the celestial sphere vertically below the observer's position, is called Nadir Pole Zenith Celestial point Nadir Pole Zenith Celestial point ANSWER DOWNLOAD EXAMIANS APP
Surveying For a line AB the forebearing of AB and back bearing of BA differ by 180° both (A) and (B) are correct none is correct the forebearing of AB and back bearing of AB differ by 180° the forebearing of AB and back bearing of BA differ by 180° both (A) and (B) are correct none is correct the forebearing of AB and back bearing of AB differ by 180° ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Isocentric distance Focal length Principal distance Principal line Isocentric distance Focal length Principal distance Principal line ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be f sin θ f sec θ f tan θ f cos θ f sin θ f sec θ f tan θ f cos θ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS