Surveying Online Test – Paper 3

1. Area of triangle joining three corner points in comparison to the circle same three points:

2. Resection is the method employed for:

3. The upper plate

4. The distance between terminal points computed from a subsidiary traverse run between them is known as

5. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

6. The quadrantal system confines the user to measure the bearings from

7. In normal condition, the difference of fore and back bearing should be?

8. Chain surveying is used for

9. Contour interval, within the limits of a map

10. The difference between the sum of the measured angles and the theoretical sum of the angles of a closed traverse is called the

11. The horizontal distances obtained by tacheometry are corrected for

12. The device used in computing the horizontal and vertical distances rapidly and conveniently is

13. The levels to which the earthwork will have to be carried out is known as

14. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

15. The trunion axis or transverse axis is

16. In the case of a telescopic alidade, the adjustment done is

17. The principle of surveying to prevent the accumulation of errors is

18. Hydrographic survey deals with the mapping of

19. Secular variation is an important factor because

20. In a closed traverse,

21. The accuracy of measurement in chain surveying does not depend upon

22. A 30 m long tape was standardized at a temperature of 30°C; at the time of measurement, the temperature recorded was 35°C. Then the correction for temperature per tape length is (coefficient of thermal expansion = 0.0001116/°C)

23. The position of a point can be fixed more accurately by

24. The permissible limits of error in chaining for measurement on rough or hilly ground are

25. An imaginary line lying through the surface of the ground, having a constant inclination to the horizontal, is known as

26. Theodolite traverse is plotted more accurately by

27. Contour lines look to cross each other in the case of

28. The two-point problem is:

29. The representation of general topography of a very flat terrain is possible only

30. Cubic parabola is a type of

31. Contour lines

32. Invar tapes are made of an alloy of

33. The errors due to bad ranging are

34. The vertical distance between any two consecutive contours is known as

35. Least count is given by

36. Angle of 45° with the chain line may be set out with

37. Height of the instrument is equal to:

38. The "point of the curve" of a simple circular curve is

39. A river is an obstacle to

40. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

41. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

42. Which one of the following is not a personal error?

43. In leveling, the station where the back sight and foresight readings are taken is known as

44. The designation of scale recommended by IS: 1491-1959 is

45. The function of the leveling head is

46. Prolongation of a chain line across an obstruction in chain surveying is done by

47. The sag correction is always

48. The accuracy required in precise leveling is of the order of (Where K is the total distance of the level line in KM)

49. A leveling station is a point where:

50. For the construction of a highway railway