Surveying If ‘δ’ is the declination of the Polaris and ‘λ’ is the latitude of the place, the azimuth of the Polaris, is cos δ/cos λ tan (90° + δ)/tan (90° + λ) sin (90° - δ)/sin (90° - λ) cos (90° - δ)/cos (90° - λ) cos δ/cos λ tan (90° + δ)/tan (90° + λ) sin (90° - δ)/sin (90° - λ) cos (90° - δ)/cos (90° - λ) ANSWER DOWNLOAD EXAMIANS APP
Surveying If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be +50 m, -86.6 m +70.7 m, -50 m +50 m, +86.6 m +86.6 m, -50 m +50 m, -86.6 m +70.7 m, -50 m +50 m, +86.6 m +86.6 m, -50 m ANSWER DOWNLOAD EXAMIANS APP
Surveying If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be 6 mm 4 mm 10 mm 2 mm 6 mm 4 mm 10 mm 2 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying If S is the sum of three angles of a spherical triangle, the spherical excess equals ANSWER DOWNLOAD EXAMIANS APP
Surveying Perspective centre relates to None of these Central projection Parallel projection Orthogonal projection None of these Central projection Parallel projection Orthogonal projection ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as Photo plumb point Plumb point Nadir point Isocenter Photo plumb point Plumb point Nadir point Isocenter ANSWER DOWNLOAD EXAMIANS APP
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