Surveying The number of horizontal cross wires in a stadia diaphragm is three two four one three two four one 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 tan θ f sec θ f sin θ f cos θ f tan θ f sec θ f sin θ f cos θ ANSWER DOWNLOAD EXAMIANS APP
Surveying If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to 1/d 1/d2 d d2 1/d 1/d2 d d2 ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by None of these tan z = sec φ . cos δ sin z = sec φ . cos δ cos z = sec φ . cos δ None of these tan z = sec φ . cos δ sin z = sec φ . cos δ cos z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The product of the distances of plumb point and horizon point of a vertical photograph from its principal point, is f2 3f2 2f2 ½f f2 3f2 2f2 ½f ANSWER DOWNLOAD EXAMIANS APP
Surveying The principal plane contains Iso-centre Nadir point Principal point All of these Iso-centre Nadir point Principal point All of these ANSWER DOWNLOAD EXAMIANS APP