Surveying The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is f sec θ/H f/H sec θ f/H cos ½θ f/H f sec θ/H f/H sec θ f/H cos ½θ f/H ANSWER DOWNLOAD EXAMIANS APP
Surveying The circle in which a plane tangent to the earth's surface at the point of observation, intersects the celestial sphere, is called Visible horizon Celestial horizon Sensible horizon True horizon Visible horizon Celestial horizon Sensible horizon True horizon ANSWER DOWNLOAD EXAMIANS APP
Surveying The size of a plane table is 450 mm × 600 mm 300 mm × 450 mm 750 mm × 900 mm 600 mm × 750 mm 450 mm × 600 mm 300 mm × 450 mm 750 mm × 900 mm 600 mm × 750 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by tan H = tan φ . cot δ sin H = tan φ . cot δ None of these cos H = tan φ . cot δ tan H = tan φ . cot δ sin H = tan φ . cot δ None of these cos H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying At western elongation, the pole star moves Southward Eastward Westward Northward Southward Eastward Westward Northward ANSWER DOWNLOAD EXAMIANS APP
Surveying If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is 7.5 m 50 m 25 m 75 m 7.5 m 50 m 25 m 75 m ANSWER DOWNLOAD EXAMIANS APP