Surveying The elevation of the star at elongation is obtained by sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ sin α = sin φ sec δ sin α = cos φ sec δ sin α = sin φ cosec δ sin α = cos φ cosec δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the direction of star and the direction of earth's axis of rotation is called Co-declination Co-latitude Latitude Declination Co-declination Co-latitude Latitude Declination ANSWER DOWNLOAD EXAMIANS APP
Surveying Latitude of a place is the angular distance from Greenwich to the place Equator to the nearer pole Equator to the poles None of these Greenwich to the place Equator to the nearer pole Equator to the poles None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be neutralised by setting the level midway between the two stations ? error due to both curvature and re-fraction error due to curvature only None of these error due to refraction only error due to both curvature and re-fraction error due to curvature only None of these error due to refraction only ANSWER DOWNLOAD EXAMIANS APP
Surveying If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is 100.345 m 99.345 m 101.870 m 100.655 m 100.345 m 99.345 m 101.870 m 100.655 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is Tension = (P - Ps)L/AE All of these Sag = L³w²/24P² where w is the weight of tape/m Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports Tension = (P - Ps)L/AE All of these Sag = L³w²/24P² where w is the weight of tape/m Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports ANSWER DOWNLOAD EXAMIANS APP
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