Surveying In the prismatic compass the magnetic needle and graduated circle do not move with the box the line of the sight does not move with the box the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction the magnetic needle moves with the box the magnetic needle and graduated circle do not move with the box the line of the sight does not move with the box the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction the magnetic needle moves with the box ANSWER DOWNLOAD EXAMIANS APP
Surveying Polaris is usually observed for the determination of the azimuth when it is At elongation At culmination Neither at culmination nor at elongation Either at culmination or at elongation At elongation At culmination Neither at culmination nor at elongation Either at culmination or at elongation ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following methods of offsets involves less measurement on the ground? method of perpendicular offsets method of ties all involve equal measurement on the ground method of oblique offsets method of perpendicular offsets method of ties all involve equal measurement on the ground method of oblique offsets ANSWER DOWNLOAD EXAMIANS APP
Surveying The displacement of the pictured position of a point of h elevation on a vertical photograph taken with a camera of 30 cm focal length, from an altitude of 3000 m, is 6.5 mm 5.5 mm 7.5 mm 4.4 mm 6.5 mm 5.5 mm 7.5 mm 4.4 mm ANSWER DOWNLOAD EXAMIANS APP
Surveying If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to 1/d2 d d2 1/d 1/d2 d d2 1/d 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
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