Surveying The instrument used for accurate centering in plane table survey is alidade spirit level plumbing fork trough compass alidade spirit level plumbing fork trough compass ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58" tan α 58 cos α 58 sin α 58" cot α 58" tan α 58 cos α 58 sin α 58" cot α ANSWER DOWNLOAD EXAMIANS APP
Surveying The following sights are taken on a “turning point” foresight only foresight and backsight foresight and intermediate sight foresight only foresight only foresight and backsight foresight and intermediate sight foresight only ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Ground principal point Iso-centre Perspective centre Ground plumb point Ground principal point Iso-centre Perspective centre Ground plumb point ANSWER DOWNLOAD EXAMIANS APP
Surveying The main object of the astronomer to obtain Astronomical bearing All of these Astronomical latitude Astronomical longitude Astronomical bearing All of these Astronomical latitude Astronomical longitude ANSWER DOWNLOAD EXAMIANS APP
Surveying If α, H, A and δ be the altitude, hour angle, azimuth and declination of a circumpolar star at its elongation, in latitude λ, the following relation holds good sin A = cos δ/cos λ All listed here sin α = sin λ/sin δ cos H = tan λ/tan δ sin A = cos δ/cos λ All listed here sin α = sin λ/sin δ cos H = tan λ/tan δ ANSWER DOWNLOAD EXAMIANS APP