Q221
Open questionTriangulation surveys are carried out for providing
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Q222
Open questionThe point at which sun's declination changes from north to south, is known as
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Q223
Open questionContour interval is
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Q224
Open questionIf ‘f’ is the focal length of the camera lens and ‘θ’ is the angle of tilt, the distance of the plumb point from the principal point will be
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Q225
Open questionPick up the incorrect statement from the following. In a spherical triangle
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Q226
Open questionIf 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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Q227
Open questionThe process of turning the telescope about the vertical axis in horizontal plane is known as
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Q228
Open questionFor mapping any country
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Q229
Open questionIn the prismatic compass
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Q230
Open questionIf a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is
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Q231
Open questionThe permissible error in chaining for measurement with chain on rough or hilly ground is
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Q232
Open questionThe point where vertical line passing through the perspective centre intersects the plane of the photograph, is known as
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Q233
Open questionThe angle between the prolongation of the preceding line and the forward line of a traverse is called
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Q234
Open questionTo avoid large centering error with very short legs, observations are generally made
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Q235
Open questionFor which of the following permanent adjustments of theodolite, the spire test is used ?
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Q236
Open questionThe resection by two point problem as compared to three point problem
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Q237
Open questionThe angular distance of a heavenly body from the equator, measured along its meridian, is called
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Q238
Open questionThe station where observations are not made, but the angles at the station are used in triangulation series, is known as
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Q239
Open questionThe scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is
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Q240
Open questionThe equation which is obtained by multiplying each equation by the coefficient of its unknowns and by adding the equations thus formed, is known as
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