Surveying Online Test – Paper 3

1. A series of closely spaced contour lines represent a

2. The projection of a line on a plane perpendicular to the meridian is known as

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

4. *Which instrument is not used in plane table

5. The difference between the two bearings of the last line as observed at the first and the last station of a traverse is known as

6. The upgrade road meets with the downgrade road, then the curve formed at the junction is called

7. The W.C.B of a line is preferred to a quadrantal bearing merely because

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

9. Ranging is the process of

10. Revolving of the telescope of a theodolite in a horizontal plane is

11. A 20 cm theodolite means

12. When the whole circle bearing of two lines AB and AC are 115° and 41° respectively, then the included angle BAC will be:

13. Tacheometry is adopted where

14. The types of instrument generally used in the survey of gravity water supply system are:

15. Size of a theodolite is specified by

16. 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

17. Overturning of vehicles on a curve can be avoided by using

18. Right face and left face readings are taken to

19. A level tube is used to make the line of sight horizontal. It is filled with

20. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

21. 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

22. The longest chain line passing through the center of the area is known as

23. The chain length which is not the standard metric chain length is

24. Metallic tapes are made of

25. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

26. "Cross-sectioning" and "Longitudinal sectioning" is

27. The advantage of anallatic lens is

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

29. The absence of spherical aberration in a telescope is known as

30. The fundamental lines of transit of the theodolite are

31. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

32. Bench marks are fixed by

33. The length of the perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

34. The difference between a level line and a horizontal line is that

35. The multiplying constant of a tacheometer is

36. Different grades are joined together by a

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. When the following scale is the smallest one

39. The strength of the fix of a plane table is:

40. Closed contours with higher value inside represent a

41. In a closed traverse,

42. The sensitivity of the bubble tube can be increased by

43. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

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

45. The reciprocal leveling eliminates

46. The optical square is based on the principle of

47. The place where the reading is taken is known as

48. A level line is a

49. An operation for determining the relative elevations of different points on the surface of the earth is known as

50. The tacheometric method is a more suitable method for preparing the contour map of