1. In chain surveying tie lines are primarily provided
Correct : C. to avoid long offsets from chain lines
2. If f1 and f2 are the distances from the optical center of a convex lens of focal length f to conjugate two points P1 and P2 respectively, the following relationship holds good
Correct : C. 1/ f1 + 1/ f2
3. Closed contours of decreasing values towards their center, represent
Correct : B. a depression
4. An imaginary line joining the points of equal elevation on the surface of the earth, represents
Correct : C. contour line
5. In chain surveying field work is limited to
Correct : A. linear measurements only
6. In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
Correct : C. changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
7. Pick up the method of surveying in which field observations and plotting proceed
simultaneously from the following
Correct : C. plan table surveying
8. While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is
Correct : C. said to have parallax
9. True meridians are generally preferred to magnetic meridians because
Correct : C. these remain constant.
10. The main principle of surveying is to work
Correct : B. from whole to the part
11. Geodetic surveying is undertaken
Correct : D. all the above.
12. The best method of interpolation of contours, is by
Correct : C. computation
13. The conventional sign shown in below figure represents a
Correct : A. bridge carrying railway below road
14. A relatively fixed point of known elevation above datum, is called
Correct : A. bench mark
15. Cross hairs in surveying telescopes, are fitted
Correct : D. in front of the eye piece.
16. On a diagonal scale, it is possible to read up to
Correct : C. three dimensions
17. Plotting of inaccessible points on a plane table, is done by
Correct : A. intersection
18. Prismatic compass is considered more accurate than a surveyor's compass, because
Correct : D. it is provided with a prism to facilitate reading of its graduated circle
19. Removal of parallax, may be achieved by focussing
Correct : C. the objective and the eye-piece
20. In an internal focusing telescope
Correct : D. all the above.
21. Imaginary line passing through points having equal magnetic declination is termed as
Correct : A. isogon
22. While measuring a chain line between two stations A and B intervened by a raised ground
Correct : A. vision gets obstructed
23. A clinometer is used for
Correct : A. measuring angle of slope
24. The whole circle bearing of a line is 290°. Its reduced bearing is
Correct : C. N 70° W
25. The reduced bearing of a line is N 87° W. Its whole circle bearing is
Correct : B. 273°
26. Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as
Correct : C. topographical surveys
27. Magnetic declination at any place
Correct : B. does not remain constant
28. The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is
Correct : A. reciprocal levelling
29. The horizontal angle between true meridian and magnetic meridian, is known
Correct : B. magnetic declination
30. Ranging in chain survey means
Correct : B. establishing an intermediate point on the line
31. Reduced bearing of a line is an angle between
Correct : D. given line and the part of the meridian whether N end or S end, lying adjacent to it.
32. The magnetic meridian at any point, is the direction indicated by a freely suspended
Correct : C. properly balanced and uninfluenced by local attractive force
33. The zero of the graduated circle of a prismatic compass is located at
Correct : C. south end
34. Profile levelling is usually done for determining
Correct : C. elevations along a straight line
35. The line of collimation method of reduction of levels, does not provide a check on
Correct : A. intermediate sights
36. A well-conditioned triangle has no angle less than
Correct : B. 30°
37. Check lines (or proof lines) in Chain Surveying, are essentially required
Correct : C. to indicate the accuracy of the survey work
38. The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known
Correct : C. orientation
39. There are two stations A and B. Which of the following statements is correct :
Correct : D. all the above.
40. The boundary of water of a still lake, represents
Correct : C. contour line
41. The imaginary line passing through the intersection of cross hairs and the optical center of the
objective, is known as
Correct : B. line of collimation
42. The rise and fall method of reduction of levels, provides a check on
Correct : D. all of these.
43. The constant vertical distance between two adjacent contours, is called
Correct : D. contour interval
44. The line normal to the plumb line is known as
Correct : B. level line
45. Contours of different elevations may cross each other only in the case of
Correct : A. an overhanging cliff
46. In plan scale is …
Correct : A. 1cm = 10 m or < 10 m
47. If area is less than 250 km2 which method is used?
Correct : B. Plane Survey
48. Scale can be represent by
Correct : D. All of above
49. True bearing of a line = magnetic bearing + magnetic declination If declination is towards………
Correct : A. East
50. Is a known as a marking pin?
Correct : A. Arrow
51. Revenue chain is …….. Feet long & consist of ……….. Links.
Correct : B. 33 & 16
52. Which method is simplest method of plane tabling?
Correct : A. Method of radiation
53. The horizontal distance between any two consecutive contours is known as…..
Correct : D. Horizontal equivalent
54. Contour interval depends on:
Correct : D. All of above
55. A lower region surrounded by hills is called saddle.
Correct : A. True
56. Two contour lines of different elevation do not cross each other.
Correct : A. True
57. Correction required for curvature for a distance of 1500 m is….
Correct : C. 0.176 m
58. Correction required for refraction for a distance of 10 km is….
Correct : B. 1.22 m
59. Combined correction for curvature and refraction for 800 m distance is……
Correct : A. 0.0431m
60. Which method is less tedious and more rapid for calculation of RL?
Correct : A. HI method
61. Which method is more accurate for calculation of RL?
Correct : B. Rise & fall method
62. Which method is suitable for profile levelling?
Correct : A. HI method
63. Which method is suitable for precise levelling?
Correct : B. Rise & fall method
64. Full name of M.S.L is…..
Correct : A. Mean sea level
65. In which telescope length is comparatively less?
Correct : A. Internal focusing telescope
66. In internal focusing telescope brilliancy of image reduces due to extra internal lens.
Correct : A. True
67. In modern telescope internal focusing telescope is used.
Correct : A. True
68. Least count of self-reading staff is…..
Correct : A. 5mm
69. Least count of target staff is…..
Correct : B. 0.5mm
70. If magnetic bearing of line AB is 279’ and magnetic declinations is 7’W.Find the true bearing.
Correct : D. 272’
71. If FB of line PQ is N 35’ W and FB of line QR is S 40’ W, find angle PQR.
Correct : B. 75
72. Fore bearing of line Ab is S35’W calculate its back bearing.
Correct : A. N35’E
73. Back bearing of line Ab is 185’, calculate its fore bearing.
Correct : C. 5’
74. Convert N30’15’E into WCB.
Correct : C. 30’15’
75. Convert 242’45’ into QB.
Correct : B. S 62’45’ W
76. Prismatic compass gives whole circle bearing reading.
Correct : A. True
77. Surveyor’s compass is less costly.
Correct : A. True
78. Prismatic compass gives more accuracy than surveyors compass.
Correct : A. True
79. ……………… is used for large scale.
Correct : A. Single line field book.
80. Longest survey line passing through the center of the area to be surveyed is called as…..
Correct : B. Base line
81. A line joining apex of triangle to a fixed point on the opposite side is called…..
Correct : C. Check line
82. The length of survey line measured with a 20 m chain was found to be 327 m. If the chain was
3cm too long. Calculate the true length of the line.
Correct : B. 372 m
83. It is possible to set out angles of 0’ to 360’ with help of ……….cross staff.
Correct : C. Adjustable cross staff
84. It is possible to set out angles 45’ or 90’ with help of ……….cross staff.
Correct : A. French cross staff
85. To mark position of station …………. is used.
Correct : A. Pegs
86. Fiber glass tape is non-conductor of electricity.
Correct : A. True
87. Invar tape is used for very high degree of precision,
Correct : A. True
88. If 1cm = 50 m RF =?
Correct : B. 1:5000
89. Which of the following is made in connection with the construction of streets, water supply systems, sewers?
Correct : D. City surveying
90. Determining the relative positions of points on above or beneath the surface of the earth by means of direct or indirect measurements of distance and direction and elevation is called as _________
Correct : A. Surveying
91. Type of surveying in which the shape of the earth taken into account is __________
Correct : C. Geodetic Surveying
92. Which of the following is not among the methods of linear measurements?
Correct : C. Indirect measurements
93. In which method measurements of distances are chiefly confined to the preliminary surveys and explorations where a surveyor is called upon to make a rough survey as quickly as possible?
Correct : B. Pacing
94. Instrument shaped like a watch and is carried in pocket or attached to one leg is _______
Correct : C. Passometer
95. Instrument for registering the number of revolutions of a wheel is _____
Correct : A. Odometer
96. What is required to transfer points to the ground, while chaining along the sloping ground?
Correct : B. Plumb bob
97. Chains are made up of ______
Correct : B. Galvanized mild steel
98. What is provided at every meter in case of 20m and 30m chains?
Correct : D. Brass rings
99. Which of the following tape is not made?
Correct : D. Iron tape
100. Direct ranging is done when the two ends of the survey lines are _______