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Surveying - Interview Questions and Answers

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51. If the staff is not held vertical at a level�ling station, the reduced level calculated from the observation would be
A. true R.L.
B. more than true R.L.
C. less than true R.L.
D. none of the above
Explanation:
52. A series of closely spaced contour lines represents a
A. steep slope
B. gentle slope
C. uniform slope
D. plane surface
Explanation:
53. In the cross-section method of indirect contouring, the spacing of cross-sections depends upon i) contour interval ii) scale of plan iii) characteristics of ground The correct answer is
A. only (i)
B. (i)and(ii)
C. (ii) and (iii)
D. (i), (ii) and (iii)
Explanation:
54. Contour interval is
A. inversely proportional to the scale of the map
B. directly proportional to the flatness of ground
C. larger for accurate works
D. larger if the time available is more
Explanation:
55. Select the correct statement.
A. A contour is not necessarily a closed curve.
B. A contour represents a ridge line if the concave side of lower value con�tour lies towards the higher value contour.
C. Two contours of different elevations do not cross each other except in case of an overhanging cliff.
D. All of the above statements are correct.
Explanation:
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