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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Q. If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is

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Q. Pick up the correct statement from the following :

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Q. In setting up a plane table at any station

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Q. The angle of intersection of a contour and a ridge line, is

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Q. The area of any irregular figure of the plotted map is measured with

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Q. Probable accidental error in precise levelling as recommended by International Geodetic Association, should not exceed (where k is in kilometers.)

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Q. The curvature of the earth's surface, is taken into account only if the extent of survey is more than

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Q. In chain surveying, perpendiculars to the chain line, are set out by

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Q. The difference in the lengths of an arc and its subtended chord on the earth surface for a distance of 18.2 km, is only

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Q. The boundary of water of a still lake, represents

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Q. Diaphragm of a surveying telescope is held inside

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Q. In a precision traverse, included angles are measured by setting the vernier

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Q. Pick up the correct statement from the following :

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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 perpendicular offset for the transition curve, is

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Q. The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is

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Q. If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to

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