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 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 tan z = sec φ . cos δ cos z = sec φ . cos δ ANSWER DOWNLOAD EXAMIANS APP
Surveying The nearest star is so far away from the earth that the directions to it from two diametrically opposite points on the earth differs less than 0.001 second 0.01 second None of these 0.0001 second 0.001 second 0.01 second None of these 0.0001 second ANSWER DOWNLOAD EXAMIANS APP
Surveying Subtense bar is an instrument used for levelling measurement of angles measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas levelling measurement of angles measurement of horizontal distances in plane areas measurement of horizontal distances in undulated areas ANSWER DOWNLOAD EXAMIANS APP
Surveying The great circle which passes through the zenith, nadir and the poles, is known as Vertical circle Meridian Prime vertical None of these Vertical circle Meridian Prime vertical None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying At eastern elongation, the pole star moves Northward Eastward Southward Westward Northward Eastward Southward Westward 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
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