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 If ‘δ’ is the declination of the star and ‘φ’ is the latitude of the observer then the hour angle of the star at elongation is given by tan H = tan φ . cot δ sin H = tan φ . cot δ None of these cos H = tan φ . cot δ tan H = tan φ . cot δ sin H = tan φ . cot δ None of these cos H = tan φ . cot δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The error due to eccentricity of inner and outer axes can be eliminated by taking both face observations and taking the mean of the two taking mean of several readings distributed over different portions of the graduated circle double sighting reading both verniers and taking the mean of the two taking both face observations and taking the mean of the two taking mean of several readings distributed over different portions of the graduated circle double sighting reading both verniers and taking the mean of the two ANSWER DOWNLOAD EXAMIANS APP
Surveying The correction applied to the measured base of length ‘L’ is Sag = L³w²/24P² where w is the weight of tape/m Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports All of these Sag = L³w²/24P² where w is the weight of tape/m Tension = (P - Ps)L/AE Slope = (h²/2L) + (h⁴/8L³) where h is height difference of end supports All of these 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)² fB/(H + h)² fB/(H - h) fB/(H + h) fB/(H - h)² fB/(H + h)² fB/(H - h) fB/(H + h) ANSWER DOWNLOAD EXAMIANS APP
Surveying If the altitudes of a star at its upper and lower transits are 60° 30' and 19° 30' respectively, the latitude of the place, is 60° 45° 30° 35° 60° 45° 30° 35° ANSWER DOWNLOAD EXAMIANS APP
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