Surveying If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer, then the azimuth of the star at elongation is given by cos z = sec φ . cos δ tan z = sec φ . cos δ sin z = sec φ . cos δ None of these cos z = sec φ . cos δ tan z = sec φ . cos δ sin z = sec φ . cos δ None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The solar tidal force divided by lunar tidal force is 3/4 5/4 1/3 1/2 3/4 5/4 1/3 1/2 ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to eccentricity of verniers error due to imperfect adjustment of plate levels error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to eccentricity of verniers error due to imperfect adjustment of plate levels ANSWER DOWNLOAD EXAMIANS APP
Surveying A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is Δ/6 Δ/3 Δ/2 Δ/4 Δ/6 Δ/3 Δ/2 Δ/4 ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.56 sq km 0.64 sq km 0.60 sq km 0.50 sq km 0.56 sq km 0.64 sq km 0.60 sq km 0.50 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The maximum tolerance in a 20 m chain is ±2 mm ±3 mm ±5 mm ±8 mm ±2 mm ±3 mm ±5 mm ±8 mm ANSWER DOWNLOAD EXAMIANS APP