Surveying Online Test – Paper 3

1. Which one of the following may not be classified as personal error

2. The perpendicular distance of the midpoint of the line from the reference meridian is known as

3. The central angle subtended by an arc of 30m of the curve

4. A transition curve introduced between the tangent and the circular curve should

5. Personal error in leveling occurs due to

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

7. Distomats is a type of

8. An imaginary line connecting the points of equal elevation on the ground surface is known as

9. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

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

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

12. In tacheometric survey, the method which provides easy reading of the staff is

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

14. The inclination of the needle to the horizontal towards the pole is called

15. The maximum angular error in laying the direction is 3°; if this maximum displacement of the point on paper is the same for both sources of error, the accuracy in the offset measurement will be

16. A Cadastral Map is a map having

17. The three-point problem is concerned with:

18. If the magnetic bearing of a line is 65° and the true bearing 45°, then the magnetic declination is

19. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

20. The magnetic north is indicated by

21. Normal tension is that pull which

22. In a closed traverse,

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

24. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

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

26. The sag correction is always

27. The trunion axis or transverse axis is

28. 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

29. The last reading of leveling is always at

30. Tacheometry is best suited

31. The effect of local attraction is observed in

32. The survey stations set up during traversing with the compass should be such that

33. The type of survey in which horizontal and vertical distance is measured

34. Local attraction in compass surveying may be due to

35. Azimuth and altitude of a star

36. The bearing of the traverse line is calculated by

37. If the bearing of AB is N 30° W and the bearing of BC is N 40° E, then find the angle < ABC

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

39. The intercept of a staff is

40. The number of horizontal cross wires in a stadia diaphragm is

41. The bearing of line AB is 200° and that of BC is 270°, the included angle ABC is

42. With the help of leveling, we measure

43. A bearing noted N45° E represents

44. Right face and left face readings are taken to

45. Contour lines of different elevations can unite to form one line only in the case of

46. The maximum number of omitted measurements that can be calculated from latitudes and departures of a closed traverse is

47. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is

48. A building is an obstacle to

49. Bench marks are fixed by

50. Direction of the closing error is given by