Surveying The relation between the air base (B), photographic base (b), flying height (H) and the focal length (f) of a vertical photograph, is B = H/bf B = bH/f B = b/fH B =f/bH B = H/bf B = bH/f B = b/fH B =f/bH ANSWER DOWNLOAD EXAMIANS APP
Surveying Dumpy level is most suitable when fly levelling is being done over long distance many readings are to be taken from a single setting of the instrument the instrument is to be shifted frequently All of these fly levelling is being done over long distance many readings are to be taken from a single setting of the instrument the instrument is to be shifted frequently All of these ANSWER DOWNLOAD EXAMIANS APP
Surveying If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is 77° N 13° E 13° W 23° S 77° N 13° E 13° W 23° S ANSWER DOWNLOAD EXAMIANS APP
Surveying The rate of change of parallax dp/dh with respect to change in h, may be expressed as fB/(H - h) fB/(H + h)² fB/(H - h)² fB/(H + h) fB/(H - h) fB/(H + h)² fB/(H - h)² fB/(H + h) ANSWER DOWNLOAD EXAMIANS APP
Surveying Which of the following errors can be eliminated by taking mean of bot face observations ? error due to eccentricity of verniers error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels error due to eccentricity of verniers error due to imperfect graduations error due to line of collimation not being perpendicular to horizontal axis error due to imperfect adjustment of plate levels ANSWER DOWNLOAD EXAMIANS APP
Surveying Circumpolar stars Are seldom seen near the pole star Rotate round the celestial pole Rotate round the North Pole Remain always above the horizon Are seldom seen near the pole star Rotate round the celestial pole Rotate round the North Pole Remain always above the horizon ANSWER DOWNLOAD EXAMIANS APP
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