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Surveying - Interview Questions and Answers

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36. Agate cap is fitted with a
A. cross staff
B. level
C. chain
D. prismatic compass
Explanation:
37. The permissible error in chaining for measurement with chain on rough or hilly ground is
A. 1 in 100
B. 1 in 250
C. 1 in 500
D. 1 in 1000
Explanation:
38. If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will
A. increase
B. decrease
C. not change
D. either 'a' or 'b'
Explanation:
39. Which of the following errors cannot be eliminated by taking both face observations ?
A. error due to horizontal axis not being perpendicular to the vertical axis
B. index error i.e. error due to imperfect adjustment of the vertical circle vernier
C. error due to non-parallelism of the axis of telescope level and line of collimation
D. none of the above
Explanation:
40. The following sights are taken on a "turning point"
A. foresight only
B. backsight only
C. foresight and backsight
D. foresight and intermediate sight
Explanation:
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