Surveying Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ? error due to inaccurate graduation error due to displacement of station signals error due to wrong adjustment of line of collimation and trunnion axis error due to eccentricity of verniers error due to inaccurate graduation error due to displacement of station signals error due to wrong adjustment of line of collimation and trunnion axis error due to eccentricity of verniers 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 α = sin λ/sin δ sin A = cos δ/cos λ All listed here cos H = tan λ/tan δ sin α = sin λ/sin δ sin A = cos δ/cos λ All listed here cos H = tan λ/tan δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The error due to eccentricity of inner and outer axes can be eliminated by reading both verniers and taking the mean of the two taking both face observations and taking the mean of the two double sighting taking mean of several readings distributed over different portions of the graduated circle reading both verniers and taking the mean of the two taking both face observations and taking the mean of the two double sighting taking mean of several readings distributed over different portions of the graduated circle ANSWER DOWNLOAD EXAMIANS APP
Surveying The sidereal day is the time interval between two successive upper transits of First point of Aries The polar star First point of Libra Mean sun First point of Aries The polar star First point of Libra Mean sun ANSWER DOWNLOAD EXAMIANS APP
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 2° 4° 3° 1° 2° 4° 3° 1° ANSWER DOWNLOAD EXAMIANS APP
Surveying In an internal focussing type of telescope, the lens provided is plano-concave plano-convex concave convex plano-concave plano-convex concave convex ANSWER DOWNLOAD EXAMIANS APP