Q. Diopter is the power of a lens having a focal length of

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Q. An imaginary line joining the points of equal elevation on the surface of the earth, represents

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Q. The 'fix' of a plane table station with three known points, is bad if the plane table station lies

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Q. If R is the radius of the main curve, θ the angle of deflection, S the shift and L the length of the transition curve, then, total tangent length of the curve, is

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Q. Hydrographic surveys deal with the mapping of

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Q. An ideal vertical curve to join two gradients, is

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Q. Pick up the correct statement from the following :

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Q. The intercept of a staff

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Q. One of the Lehmann's rules of plane tabling, is

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Q. The accuracy of measurement in chain surveying, does not depend upon

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Q. Closed contours of decreasing values towards their centre, represent

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Q. Accuracy of 'fix' by two point problem, is

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Q. A bearing of a line is also known as

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Q. True meridians are generally preferred to magnetic meridians because

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Q. Pick up the correct statement from the following :

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Q. If θ is the slope of the ground and l is the measured distance, the correction is

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Q. The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every

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Q. The systematic errors which persist and have regular effects in the performance of a survey operation, are due to

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Q. The best method of interpolation of contours, is by

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Q. Pick up the correct specification of Ramsden eyepiece from the following :

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