Surveying Online Test – Paper 3

1. *The leveling of the instrument is done such that

2. The angular and linear measurement of the part of the traverse can be checked by

3. The magnification of a telescope lens depends upon

4. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

5. The multiplying constant of a tacheometer is

6. Direction of the closing error is given by

7. In the scale of a map is 1:25000, what does it mean:

8. Normal tension is that pull which

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

10. The direction of the steepest slope on a contour is

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

12. In plane table instrument for horizontal & vertical measurement without chaining

13. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

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

15. If the needle of the compass is sluggish the type of error will be

16. When a chain line encounters a river:

17. Ten readings were recorded in a level field book. If the instrument was shifted after the 2nd and 6th readings, then the foresight readings are

18. Which of the following instruments is generally used for baseline measurements?

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

20. Tacheometry is best suited

21. An offset scale always has the zero mark at

22. Plane table surveying is a graphical method of surveying in which:

23. Contour interval, within the limits of a map

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

25. The angle which the true meridian makes with the magnetic meridian is called

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

27. Crosshairs in a surveying telescope are fitted

28. While measuring horizontal distance by stepping method we should follow

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

30. The image of the objectives formed should lie

31. A series of straight, parallel, and widely spaced contours on a map represent a

32. Setting up the plane table consists of operations:

33. In survey, it was recorded that Σfall = 0 then

34. The projection of a line on a plane parallel to the meridian is known as

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

36. The last reading of leveling is always at

37. The range of accuracy in measuring distance by EDM with respect to ODM is

38. A contour map of the area is essential before proceeding with the construction of

39. Resection is the method employed for:

40. Tellurometer uses

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

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

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

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

45. The smaller angle which a survey line makes with the true meridian is known as

46. For a station to be free from local attraction

47. The quadrantal bearing of a line is determined by:

48. Different grades are joined together by a

49. For accurate work, in comparison to the chain, the steel band is used because it

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