Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Perspective centre Ground principal point Ground plumb point Iso-centre Perspective centre Ground principal point Ground plumb point Iso-centre ANSWER DOWNLOAD EXAMIANS APP
Surveying The instrument used for accurate centering in plane table survey is plumbing fork alidade trough compass spirit level plumbing fork alidade trough compass spirit level ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 10,000 1 : 15,000 1 : 30,000 1 : 20,000 1 : 10,000 1 : 15,000 1 : 30,000 1 : 20,000 ANSWER DOWNLOAD EXAMIANS APP
Surveying In direct method of contouring, the process of locating or identifying points lying on a contour is called ranging vertical control horizontal control centring ranging vertical control horizontal control centring ANSWER DOWNLOAD EXAMIANS APP
Surveying On vertical photographs, height displacement is All listed here Zero for points vertically below the air station Positive for points above datum Negative for points below datum All listed here Zero for points vertically below the air station Positive for points above datum Negative for points below datum ANSWER DOWNLOAD EXAMIANS APP
Surveying In the prismatic compass the magnetic needle moves with the box the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction the magnetic needle and graduated circle do not move with the box the line of the sight does not move with the box the magnetic needle moves with the box the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction the magnetic needle and graduated circle do not move with the box the line of the sight does not move with the box ANSWER DOWNLOAD EXAMIANS APP