Surveying Online Test – Paper 3

1. Magnetic declination

2. In a survey, it was recorded that Σrise = 0, then

3. In a constant level tube, the size of the bubble remains constant because the upper wall of the tube has

4. Automatic level has advantages of

5. Staff intercept means

6. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

7. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

8. The method of tacheometry in which the stadia hair intercept is fixed is known as

9. The contour lines merge or cross one another on the map in the case of

10. Parallax may be eliminated by

11. The types of survey used to fix property lines are

12. Limiting the length of offset depends upon

13. Short offsets are measured with

14. 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)

15. In an internal focusing type of telescope, the negative lens provided is

16. A leveling station is a point where:

17. The method of leveling in which the plane table is set at only one station to take detail is known as:

18. Any arbitrarily assumed level line from which vertical distances are measured is known as

19. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

20. An example of a level surface is

21. The three-point problem can be solved by:

22. If the observed reading of a level staff is 3.83m, and at the point sighted the staff is 0.15m off from the vertical through the bottom, the correct reading will be

23. Height of instrument method of leveling, as compared to the rise and fall method, is

24. The scale used to measure and to set out the angles is

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

26. Compensating errors in chaining or other surveys are

27. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

28. If the needle is truly magnetic and is not sluggish

29. The image of the objectives formed should lie

30. Natural error in leveling is caused due to

31. Well-conditioned triangle having an angle between

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

33. Dumpy level is used when

34. A bearing noted N45° E represents

35. "A curve of varying radius introduced between two branches of a compound curve is called

36. To orient a plane table without two inaccessible points, the method generally adopted is:

37. 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

38. In a theodolite, the line passing through the intersection of the horizontal and vertical crosshairs and the optical center of the object glass and its continuation is known as

39. A field is measured with a 1.0 percent too-long chain is found to be 10,000 acres. The corrected area of the field will be

40. If W is the weight of the chain, L is the span, and P is the tension or pull, the sag correction for the chain will be

41. The last reading of leveling is always at

42. Chainage is the distance measured

43. A chain is made up of mild steel or galvanized iron wire of diameter

44. The strength of fix' is poor when:

45. The errors due to bad ranging are

46. Which of the following terms is not associated with leveling:

47. The length of an Engineer's chain is

48. *Error due to imperfect adjustment of plate level is termed as

49. Indirect ranging method is adopted when two points of the chain line are:

50. With the help of leveling, we measure