Surveying The following sights are taken on a “turning point” foresight and backsight foresight only foresight and intermediate sight foresight only foresight and backsight foresight only foresight and intermediate sight foresight only ANSWER DOWNLOAD EXAMIANS APP
Surveying In an internal focussing type of telescope, the lens provided is plano-convex concave convex plano-concave plano-convex concave convex plano-concave ANSWER DOWNLOAD EXAMIANS APP
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 sin (90° - δ)/sin (90° - λ) tan (90° + δ)/tan (90° + λ) cos (90° - δ)/cos (90° - λ) cos δ/cos λ sin (90° - δ)/sin (90° - λ) tan (90° + δ)/tan (90° + λ) cos (90° - δ)/cos (90° - λ) ANSWER DOWNLOAD EXAMIANS APP
Surveying The permissible error in chaining for measurement with chain on rough or hilly ground is 1 in 100 1 in 500 1 in 1000 1 in 250 1 in 100 1 in 500 1 in 1000 1 in 250 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 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 h (tan α - tan β)/S ANSWER DOWNLOAD EXAMIANS APP
Surveying According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of Both (A) and (B) above Sines of two adjacent parts Cosines of two adjacent parts Tangents of two adjacent parts Both (A) and (B) above Sines of two adjacent parts Cosines of two adjacent parts Tangents of two adjacent parts ANSWER DOWNLOAD EXAMIANS APP