Surveying If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to 1° 4° 3° 2° 1° 4° 3° 2° ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of contouring is most suitable for a hilly terrain? Tachometric method Direct method Cross-sections method Square method Tachometric method Direct method Cross-sections method Square method ANSWER DOWNLOAD EXAMIANS APP
Surveying The equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as Conditional equation None of these Normal equation Observation equation Conditional equation None of these Normal equation Observation equation ANSWER DOWNLOAD EXAMIANS APP
Surveying Local attraction in compass surveying may exist due to friction of the needle at the pivot incorrect levelling of the magnetic needle presence of magnetic substances near the instrument loss of magnetism of the needle friction of the needle at the pivot incorrect levelling of the magnetic needle presence of magnetic substances near the instrument loss of magnetism of the needle ANSWER DOWNLOAD EXAMIANS APP
Surveying α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being ‘S’ and ‘f’ respectively. Parallax displacement of the point due to relief, is h (tan α + tan β)/S h tan β/S h (tan α - tan β)/S h tan α/S h (tan α + tan β)/S h tan β/S h (tan α - tan β)/S h tan α/S ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f/H sec θ f/H f/H cos ½θ f sec θ/H f/H sec θ f/H f/H cos ½θ f sec θ/H ANSWER DOWNLOAD EXAMIANS APP
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