Quiznetik

Surveying | Set 3

1. Which line passes through a point, such that plane passing that point and the north and south poles, intersects with the surface of the earth?

Correct : A. True Meridian

2. When magnetic meridian is right side to true meridian, then Magnetic Declination is said to be _________

Correct : A. Eastern

3. Which of the following are not sources of errors?

Correct : D. Artificial

4. Prism square works on the same principle as that of _______

Correct : C. Optical square

5. How many number of arrows are required for chain surveying?

Correct : A. 10

6. What instrument is used for centering the table?

Correct : C. Plumbing fork

7. Which of the following is used for the orientation of the table?

Correct : A. Compass

8. The main lines should form well-conditioned triangles is the condition to be fulfilled by survey lines or survey stations.

Correct : A. True

9. Which of the following is not one among the three major kinds of obstacles of chaining?

Correct : C. obstacles to levelling

10. Which meridian direction can be established with the help of a magnetic compass?

Correct : A. True Meridian

11. Which of the following is not a part of the prismatic compass?

Correct : D. Jewel bearing

12. In which of the following compass graduated card is attached to the box and not to the ring?

Correct : B. Surveyor’s compass

13. In which of the following compass sighting and reading taking cannot be done simultaneously from one position of the observer?

Correct : B. Surveyor’s compass

14. In which areas does compass surveying is not recommended?

Correct : A. Local attraction suspected areas

15. Which of the following is not under instrumental errors?

Correct : C. Inaccurate centering

16. Which branch of surveying is used to find the elevations of given points with respect to given or assumed datum?

Correct : A. Levelling

17. Which of the following is not a method of levelling?

Correct : D. Traverse levelling

18. In surveyor’s telescope, the convex lens nearest to the object is called ______________

Correct : B. Objective

19. Which of the following type of levelling is necessary across a river ravine or any obstacle requiring a long site between two points?

Correct : C. Reciprocal levelling

20. Which of the following is not a chief method of Interpolation?

Correct : D. By cross sections

21. Which of the following does not belong to the instruments of plane table?

Correct : D. Theodolite

22. Alidade is used for___________

Correct : A. Sighting

23. Which of the following acts as an advantage of plane table surveying?

Correct : D. Used in magnetic areas

24. Which are segment of GPS?

Correct : D. All of above

25. Control segment consists:

Correct : D. All of above

26. Full form of RTK is…

Correct : A. Real time kinematic

27. Types of GPS maps is:

Correct : C. Both of above

28. Anroid map used by GPS is:

Correct : D. All of above

29. What type of surveys needs to fix the boundaries of municipalities and of state and federal jurisdictions?

Correct : C. Cadastral Surveying

30. Determining different strata in the earth’s crust is called as_______

Correct : B. Geological Survey

31. Metric chains are generally available in _________

Correct : C. 20m

32. What triangles are generally preferred to get good results in plotting?

Correct : C. Equilateral

33. Survey lines must be as few as possible is the condition to be fulfilled by survey lines or survey stations.

Correct : A. True

34. When it is possible to chain round the obstacle, i.e a pond, hedge etc. This case comes under which among the three kinds of obstacles to chaining?

Correct : B. obstacles to chaining but not ranging

35. In surveyor’s compass, graduations are in a Q.B system.

Correct : A. True

36. Two contour lines of different elevations cannot cross each other.

Correct : A. True

37. A series of straight parallel and equally spaced contours represent ________

Correct : C. Plane surface

38. Contour lines cross a watershed or ridge line at _____

Correct : A. 90°

39. In plane table surveying, plotting and recording of values are done simultaneously.

Correct : A. True

40. Orientation of table involves which among the following?

Correct : C. Back sighting

41. Levelling deals with measurements in a ______

Correct : C. Vertical plane

42. Which line is normal to the level line at a point?

Correct : B. Vertical line

43. For removing the parallex,

Correct : D. both (a) and (b)

44. An imaginary line joining the point of intersection of the cross-hairs of the diaphragm and the optical centre of the object glass, is known as

Correct : D. line of collimation

45. At the magnetic poles, the amount of dip is

Correct : D. 90?

46. Collimation method is used in

Correct : A. profile levelling

47. The autogenous curve of an automobile corresponds to a

Correct : D. lemniscate

48. In a lemniscate curve, the angle between the tangent at the end of the polar ray and the tangent at the commencement of the curve (i.e. straight) is

Correct : C. three times

49. The mimiting length of the offset is

Correct : C. 15 m

50. The value of additive constant for the tacheometer varies from

Correct : C. 30 to 45 cm

51. A tie line in a chain surveying

Correct : B. enables the surveyor to locate the interior details which are far away from the main chain lines

52. Generally, the deflection angle is measured twice, once with the telescope normal and once with the telescope reversed.

Correct : A. True

53. Contour lines cross ridge or valley lines at

Correct : D. 90?

54. The instrument used for setting out an offset at a right angle, is called

Correct : A. open cross-staff

55. The fundamental principle of surveying is to work from the

Correct : A. whole to the part

56. In levelling, the effect of refraction may be taken as

Correct : D. one-seventh

57. The latitude of a traverse line is obtained by multiplying its length with the cosine of its reduced bearing.

Correct : A. Correct

58. In a whole circle system, the bearing of a line is measured

Correct : D. none of the above

59. The horizontal angle between the true meridian and magnetic meridian is known as

Correct : D. magnetic declination

60. If the fore bearing of a line is

Correct : D. 216? 15'

61. When the magnetic bearing of the sun at noon is 185? 20', the magnetic declination will be

Correct : B. 5? 20' west

62. The optical square is used to measure angles by

Correct : B. reflection

63. The multiplying constant for the tacheometer is, generally, kept as

Correct : D. 100

64. The projection of a traverse line on a line parallel to the meridian is known as

Correct : A. latitude

65. Direct ranging is possible only when the end stations are

Correct : C. mutually intervisible

66. The index glass in an optical square is

Correct : A. wholly silvered

67. The method of intersection in plane tabling is commonly used for

Correct : D. all of the above

68. A scale which has a common representative fraction, but read in different measures, is called a

Correct : D. comparative scale

69. When the position of a point is to be fixed most accurately, it should be located by oblique offsets.

Correct : B. False

70. In levelling, the correction for combined curvature and refraction (in metres) is equal to

Correct : D. 0.0673 D2

71. In locating the details of inaccessible objects visible atleast from transit stations, the method used is

Correct : D. none of the above

72. In geodetic surveying, the curvature of the earth is taken into consideration.

Correct : A. Agree

73. The height of instrument is the height of the centre of the telescope above the ground where the level is set up.

Correct : B. False

74. When the image formed by the objective is not situated in the plane of cross-hairs,

Correct : C. the objective should be focussed

75. The magnitude of super-elevation depends upon the speed of the vehicle and the radius of the curve

Correct : A. Correct

76. When the anallatic lens is provided in the telescope of a tacheometer, the additive constant is zero.

Correct : A. Agree

77. In order to determine the natural features such as valleys, rivers, lakes etc., the surveying preferred is

Correct : D. topographical surveying

78. An angle made by a survey line with the prolongation of the proceeding line, is known as

Correct : D. deflection angle

79. The bearing observed with a prismatic compass is

Correct : A. whole circle bearing

80. Due to the magnetic influence of the earth, the magnetic needle of the prismatic compass will be inclined downward towards the pole. This inclination of the needle with the horizontal is known as

Correct : B. dip

81. The real image of an object formed by the objective must lie at the centre of telescope.

Correct : B. Disagree

82. The direction of a true meridian at a station is invariable.

Correct : A. Right

83. In a whole circle bearing system N 25? 15' W corresponds to

Correct : D. 334? 45'

84. An open cross-staff is commonly used for setting out

Correct : B. long offsets

85. The adjustable cross-staff is used for setting out an offset

Correct : D. at any angle

86. To the sum of the first and last ordinates, add twice the sum of the intermediate ordinates. The total sum thus obtained is multiplied by the common distance between the ordinates. One-half of this product gives the required area. This rule of finding the area is called

Correct : B. trapezoidal rule

87. The reduced level of the plane of collimation is

Correct : A. equal to

88. The deflection angle may have any value between

Correct : D. 0? and 180?

89. The strength of 'fix' of a plane table from three known points is good if the middle station is

Correct : A. nearer

90. The angle by which the forward tangent deflects from the back tangent of a curve is called

Correct : A. deflection angle

91. If the fore bearing of a line is N 26? 35' W, its back bearing will be

Correct : A. S 26? 35' E

92. A staff reading taken on a bench mark or a point of known elevation is called

Correct : B. back sight reading

93. If the definition of a telescope is poor, it will produce a clear and district image.

Correct : B. False

94. When the magnetic declination is negative, the magnetic meridian is towards the west of true meridian.

Correct : A. Correct

95. The theodolite is an instrument used for measuring very accurately

Correct : C. horizontal and vertical angles

96. The spacing of cross-sections in a hilly country is usually

Correct : D. 20 m

97. In a retrograde vernier, the smallest division of a vernier is

Correct : C. longer than

98. The diurnal variation of the magnetic needle is more in

Correct : A. summer than winter

99. An optical square is used for the same purpose as the cross-staff, but it is more accurate.

Correct : A. Yes

100. A reverse curve consists of

Correct : D. two arcs of equal or different radii bending in the opposite directions