Q. Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are known

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Q. In a theodolite

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Q. Whole circle bearing of a line is preferred to a quadrantal bearing merely because

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Q. The slope correction for a 3° slope for a length of 100 m, is

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Q. In horizontal angles, the error due to imperfect levelling of the plate bubble is

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Q. Pick up the correct statement from the following :

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Q. Pick up the correct statement from the following :

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Q. The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in

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Q. The first reading from a level station is

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Q. If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is

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Q. The length of a traverse leg may be obtained by multiplying the latitude and

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Q. Pick up the correct statement from the following :

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Q. An internal focussing type surveying telescope, may be focussed by the movement of

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Q. An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called

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Q. An angles of 45° with a chain line may be set out with

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Q. Pick up the correct statement from the following :

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Q. The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as

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Q. A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be

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Q. The staff intercept will be

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Q. Horizontal distances obtained tacheometerically are corrected for

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