Civil Engineering – Surveying Mock test – 2




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1. A back sight
2. Measuring with a 30 m chain, 0.01 m too short, introduces
3. A relatively fixed point of known elevation above datum, is called
4. The systematic errors which persist and have regular effects in the performance of a survey operation, are due to
5. In levelling operation
6. The angle between two plane mirrors of optical square, is
7. Metric chains are generally available in
8. An ideal transition curve is
9. In levelling operation
10. The latitude of a traverse leg is obtained by multiplying its length by
11. Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value, state whether the line of sight AB
12. True meridian of different places
13. The best method of interpolation of contours, is by
14.








The conventional sign shown in below figure represents a
15. On a diagonal scale, it is possible to read up to
16. The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be
17. 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
18. Plotting of inaccessible points on a plane table, is done by
19. Cross hairs in surveying telescopes, are fitted
20. The diaphragm of a stadia theodolite is fitted with two additional
21. For setting out a simple curve, using two theodolites.
22. If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by
23. Pantagraph is used for
24. The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known
25. Setting out a curve by two theodolite method, involves
26. When the bubble of the level tube of a level, remains central
27. Deviation of the actual road gradient from the proposed contou'r gradient up hill side, involves
28. The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known
29. Orientation of a plane table by solving two point problem is only adopted when
30. Centering error of a theodolite produces an error







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