Agate cap is fitted with a
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Civil Engineering · all questionsSurveying
Surveying
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International Date Line is located along
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The length of a chain is measured from
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The nautical mile is the length of
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If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be
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The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is
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In an internal focussing type of telescope, the lens provided is
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Which of the following is not the function of levelling head ?
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Local attraction in compass surveying may exist due to
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A Nautical mile is
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With the rise of temperature, the sensitivity of a bubble tube
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Direct method of contouring is
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The correction applied to the measured base of length ‘L’ is
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The shortest distance between two places measured along the surface of the earth, is
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Longitude of a place is the angular distance between the meridian of the place and
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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
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The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The latitude of the place, is
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Triangulation surveys are carried out for locating
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For plane ground the scale of a vertical photograph will be same as that of a tiled photograph along the photo parallel through
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If the general ground level of any area is 10% of the flying height, the principal points may be used as the centers of radial directions for small scale mapping even in tilted photograph up to
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