# Civil Engineering – Surveying Mock test – 2

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1. In levelling operation
2.

 The conventional sign shown in below figure represents a
3. The angle between two plane mirrors of optical square, is
4. 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
6. Centering error of a theodolite produces an error
7. Plotting of inaccessible points on a plane table, is done by
8. On a diagonal scale, it is possible to read up to
9. The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known
10. For setting out a simple curve, using two theodolites.
11. The latitude of a traverse leg is obtained by multiplying its length by
12. When the bubble of the level tube of a level, remains central
13. Measuring with a 30 m chain, 0.01 m too short, introduces
14. Cross hairs in surveying telescopes, are fitted
15. If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by
16. A back sight
17. A relatively fixed point of known elevation above datum, is called
18. Setting out a curve by two theodolite method, involves
19. The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be
20. The systematic errors which persist and have regular effects in the performance of a survey operation, are due to
21. An ideal transition curve is
22. Pantagraph is used for
23. Metric chains are generally available in
24. The diaphragm of a stadia theodolite is fitted with two additional
25. 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
26. The best method of interpolation of contours, is by
27. Orientation of a plane table by solving two point problem is only adopted when
28. In levelling operation
29. The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known
30. True meridian of different places

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