Surveying The elevation of the star at elongation is obtained by sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = cos φ cosec δ sin α = sin φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = cos φ cosec δ 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 = H/bf B = b/fH B =f/bH B = bH/f B = H/bf B = b/fH B =f/bH B = bH/f ANSWER DOWNLOAD EXAMIANS APP
Surveying The distance between the projection centre and the photograph, is called Principal line Isocentric distance Principal distance Focal length Principal line Isocentric distance Principal distance Focal length ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following is not used in measuring perpendicular offsets ? cross staff optical square line ranger steel tape cross staff optical square line ranger steel tape 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 4 cm 1 cm 3 cm 2 cm 4 cm 1 cm 3 cm 2 cm ANSWER DOWNLOAD EXAMIANS APP
Surveying At upper culmination, the pole star moves Northward Eastward Southward Westward Northward Eastward Southward Westward ANSWER DOWNLOAD EXAMIANS APP
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