Surveying The correction for parallax, is - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α - 8".8 cos α - 8".8 cos α + 8".8 cos α + .8" sin α ANSWER DOWNLOAD EXAMIANS APP
Surveying The point where a vertical line through the optical centre of the camera lens intersects the ground, is known as Ground plumb point Ground principal point Iso-centre Perspective centre Ground plumb point Ground principal point Iso-centre Perspective centre ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors cannot be eliminated by taking both face observations ? index error i.e. error due to imperfect adjustment of the vertical circle vernier None of these error due to non-parallelism of the axis of telescope level and line of collimation 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 None of these error due to non-parallelism of the axis of telescope level and line of collimation error due to horizontal axis not being perpendicular to the vertical axis ANSWER DOWNLOAD EXAMIANS APP
Surveying Sidereal day Is the period of time taken by the earth in making a complete rotation with reference to stars Is slightly shorter than an ordinary solar day Is divided into the conventional hours, minutes and seconds All listed here Is the period of time taken by the earth in making a complete rotation with reference to stars Is slightly shorter than an ordinary solar day Is divided into the conventional hours, minutes and seconds All listed here ANSWER DOWNLOAD EXAMIANS APP
Surveying The latitude of a place was obtained by subtracting the declination of a star from its zenith distance, the observed star was between Zenith and pole Horizon and equator Pole and horizon Equator and zenith Zenith and pole Horizon and equator Pole and horizon Equator and zenith ANSWER DOWNLOAD EXAMIANS APP
Surveying To avoid large centering error with very short legs, observations are generally made All listed here By using optical system for centering the theodolite To chain pins To a target fixed on theodolite tripod on which theodolite may be fitted easily All listed here By using optical system for centering the theodolite To chain pins To a target fixed on theodolite tripod on which theodolite may be fitted easily ANSWER DOWNLOAD EXAMIANS APP
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