Surveying Questions Set 32:
The distance between two brass rings in a surveyor’s chain is:
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If the whole circle bearing of a line is 120°, its reduced bearing is
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Calculate the correction for curvature if the horizontal distance between two points is 30 km.
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Which of the following topographic features indicates the elevations directly?
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The magnetic bearing of line AB is $45°E and the declination is 5° W. The true bearing of the line AB is
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The survey carried out to differentiate the natural features like rivers, canals, forests, and man-made features like towns, villages, buildings is called
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Two straight lines deviate at an angle of 60o. The radius of a curve joining the two straight lines is 600 m. The length of long chord and mid ordinates in meters of the curve are
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A surveyor measured the distance between two points on the plan drawn to a scale of 1 cm = 40m and the result was 468 m. later, however, he discovered that he used a scale of 1 cm = 20 m. true distance between the points will be-
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The tangential method of tachometry is
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The cuvature and refraction effects are taken into account in the following case:
Level is set-up over A and the staff is held at B.
R.L. of A = 150.000 m
Height of instrument at A = 1.000 m
Reading of staff at B = 1.800 m
Distance AB = 500 m
The RL of B (in m) is
Solution:
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