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 2 cm 4 cm 3 cm 1 cm 2 cm 4 cm 3 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying The altitude of a heavenly body is its angular distance, measured on the vertical circle passing through the body, above Horizon None of these Equator Pole Horizon None of these Equator Pole ANSWER DOWNLOAD EXAMIANS APP
Surveying In the prismatic compass the magnetic needle and graduated circle do 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 line of the sight does not move with the box the magnetic needle and graduated circle do 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 line of the sight does not move with the box ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Ground plumb point Perspective centre Ground principal point Iso-centre Ground plumb point Perspective centre Ground principal point Iso-centre ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58" cot α 58" tan α 58 sin α 58 cos α 58" cot α 58" tan α 58 sin α 58 cos α ANSWER DOWNLOAD EXAMIANS APP
Surveying For mapping any country Geodetic triangulation of greatest possible sides and accuracy is carried out Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys Primary triangles are broken down into secondary triangles of somewhat lesser accuracy All listed here Geodetic triangulation of greatest possible sides and accuracy is carried out Secondary triangles are further broken into third and fourth order triangles, the points of which are used for detail surveys Primary triangles are broken down into secondary triangles of somewhat lesser accuracy All listed here ANSWER DOWNLOAD EXAMIANS APP
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