Civil Engineering :: Advanced Surveying
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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
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The station where observations are not made, but the angles at the station are used in triangulation series, is known as
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Spring tides are caused when
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α and β are the angles subtended by a point of elevation h at their air station with respective plumb points. Photo scale and focal length of the lens being S and f respectively. Parallax displacement of the point due to relief, is
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Longitude of a place is the angular distance between the meridian of the place and
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Pick up the correct statement from the following :
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Pick up the incorrect statement from the following :
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To obtain photographs of an area of 1000 m average elevation, on scale 1 : 30, 000, with a camera of 30 cm focal length, the flying height is
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If the image of a triangulation station of R.L. 500 m is 4 cm from the principal point of a vertical photo taken from an altitude of 2000 m, above datum, the height displacement will be
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A.
One degree of longitude has greatest value at the equator
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B.
One degree of longitude has greatest value at the poles
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C.
One degree of longitude has the same value everywhere
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D.
One degree of latitude decreases from the equator to the poles
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E.
One degree of latitude has greatest value at the poles.
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