Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.64 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 0.56 sq km ANSWER DOWNLOAD EXAMIANS APP
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 tan z = sec φ . cos δ cos z = sec φ . cos δ None of these sin z = sec φ . cos δ tan z = sec φ . cos δ cos z = sec φ . cos δ None of these sin z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the prolongation of the preceding line and the forward line of a traverse is called included angle deflection angle None of these direct angle included angle deflection angle None of these direct angle ANSWER DOWNLOAD EXAMIANS APP
Surveying A star is said to elongate When the star All of these When the star momentarily moves vertically When the angle at the star of the spherical triangle is 90° When the star All of these When the star momentarily moves vertically When the angle at the star of the spherical triangle is 90° ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors cannot be eliminated by taking both face observations ? error due to horizontal axis not being perpendicular to the vertical axis index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to non-parallelism of the axis of telescope level and line of collimation None of these error due to horizontal axis not being perpendicular to the vertical axis index error i.e. error due to imperfect adjustment of the vertical circle vernier error due to non-parallelism of the axis of telescope level and line of collimation None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Pick up the incorrect statement from the following. High oblique photographs May have tilt up to 30° None of these May not include the image of the horizon May include the image of the horizon May have tilt up to 30° None of these May not include the image of the horizon May include the image of the horizon ANSWER DOWNLOAD EXAMIANS APP
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