Q. The bearings of the lines AB and BC are 146° 30' and 68° 30'. The included angle ABC is

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Q. For a closed traverse the omitted measurements may be calculated

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Q. The slope correction for a length of 30 m along a gradient of 1 in 20, is

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Q. The main principle of surveying is to work

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Q. For the construction of highway (or railway)

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Q. If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.

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Q. The sensitiveness of a level tube decreases if

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Q. For true difference in elevations between two points A and B, the level must be set up

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Q. ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is

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Q. Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than

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Q. Pick up the correct statement from the following :

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Q. The radius of curvature of the arc of the bubble tube is generally kept

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Q. If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to

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Q. The real image of an object formed by the objective, must lie

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Q. In chain surveying tie lines are primarily provided

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Q. Pick up the correct statement from the following :

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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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