Surveying For which of the following permanent adjustments of theodolite, the spire test is used ? adjustment of horizontal axis adjustment of line of sight adjustment of plate levels adjustment of altitude bubble and vertical index frame adjustment of horizontal axis adjustment of line of sight adjustment of plate levels adjustment of altitude bubble and vertical index frame 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 error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier None of these error due to horizontal axis not being perpendicular to the vertical axis error due to non-parallelism of the axis of telescope level and line of collimation index error i.e. error due to imperfect adjustment of the vertical circle vernier None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of a tilted photograph of focal length f, taken from an altitude H, along the plate parallel through plumb point, is f/H f/H cos ½θ f sec θ/H f/H sec θ f/H f/H cos ½θ f sec θ/H f/H sec θ ANSWER DOWNLOAD EXAMIANS APP
Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 15,000 1 : 20,000 1 : 30,000 1 : 10,000 1 : 15,000 1 : 20,000 1 : 30,000 1 : 10,000 ANSWER DOWNLOAD EXAMIANS APP
Surveying The orthogonal projection of the perspective centre on a tilted photograph, is called Plumb point Isocenter Principal point Nadir Plumb point Isocenter Principal point Nadir ANSWER DOWNLOAD EXAMIANS APP
Surveying With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be 8 h 00 m 9 h 00 m 7 h 00 m 7 h 30 m 8 h 00 m 9 h 00 m 7 h 00 m 7 h 30 m ANSWER DOWNLOAD EXAMIANS APP
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