1. During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is
Correct : B. 6 chains
2. A metallic tape is made of
Correct : D. cloth and wires
3. For a well-conditioned triangle, no angle should be
less than
Correct : B. 30°
4. The angle of intersection of the two plane mirrors of
an optical square is
Correct : B. 45°
5. The allowable length of an offset depends upon the
Correct : D. all of the above
6. Which of the following angles can be set out with the help of French cross staff?
Correct : C. either 45° or 90°
7. Which of the following methods of offsets involves less measurement on the
ground?
Correct : A. method of perpendicular offsets
8. The permissible error in chaining for measurement with chain on rough or hilly
ground is
Correct : B. 1 in 250
9. The correction for sag is
Correct : B. always subtractive
10. Cross staff is an instrument used for
Correct : B. setting out right angles
11. Normal tension is that pull which
Correct : B. neutralizes the effect due to pull and sag
12. Which of the following is not used in measuring perpendicular offsets ?
Correct : A. line ranger
13. If the length of a chain is found to be short on testing, it can be adjusted by
Correct : A. straightening the links
14. The maximum tolerance in a 20 m chain is
Correct : C. ±5 mm
15. For accurate work, the steel band should always be used in preference to chain
because the steel band
Correct : C. is practically inextensible and is not liable to kinks when in use
16. The length of a chain is measured from
Correct : B. outside of one handle to outside of other handle
17. Select the incorrect statement.
Correct : A. The true meridians at different places are parallel to each other.
18. If the true bearing of a line AB is 269° 30′, then the azimuth
of the line AB is
Correct : C. 90° 30′
19. In the prismatic compass
Correct : C. the magnetic needle and graduated circle do not move with the box
20. For a line AB
Correct : A. the forebearing of AB and back bearing of AB differ by 180°
21. Local attraction in compass surveying may exist due to
Correct : D. presence of magnetic substances near the instrument
22. In the quadrantal bearing system, a whole circle bearing of 293° 30′ can be expressed as
Correct : B. N66°30’W
23. The prismatic compass and surveyor’s compass
Correct : A. give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
24. The horizontal angle between the true meridian and magnetic meridian at a
place is called
Correct : B. declination
25. A negative declination shows that the magnetic meridian is to the
Correct : B. western side of the true meridian
26. If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at thatplace is
Correct : C. 13° E
27. The graduations in prismatic compass
i) are inverted
ii) are upright
iii) run clockwise having 0° at south
iv) run clockwise having 0° at north
The correct answer is
Correct : A. (i) and (iii)
28. Agate cap is fitted with a
Correct : D. prismatic compass
29. The temporary adjustments of a prismatic compass are
i) Centering
ii) Levelling
iii) Focusing the prism
The correct order is
Correct : B. (0, (ii), (iii)
30. Theodolite is an instrument used for
Correct : D. measurement of both horizontal and vertical angles
31. The process of turning the telescope about the vertical axis in
horizontal plane is known as
Correct : D. swinging
32. Size of a theodolite is specified by
Correct : C. the diameter of lower plate
33. Which of the following is not the function of levelling head ?
Correct : D. none of the above
34. If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated
Correct : C. on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate
35. A telescope is said to be inverted if its
Correct : A. vertical circle is to its right and the bubble of the telescope is down
36. The cross hairs in the surveying telescope are placed
Correct : B. much closer to the eye-piece than to the objective lens
37. For which of the following permanent adjustments of theodolite, the spire test
is used ?
Correct : C. adjustment of horizontal axis
38. The adjustment of horizontal cross hair is required particularly when the instrument is used for
Correct : A. leveling
39. Which of the following errors is not eliminated by the method of repetition of
horizontal angle measurement ?
Correct : B. error due to displacement of station signals
40. The error due to eccentricity of inner and outer axes can be eliminated by
Correct : A. reading both verniers and taking the mean of the two
41. In the double application of principle of reversion, the apparent error is
Correct : D. four times the true error
42. Which of the following errors can be eliminated by taking mean of bot face
observations ?
Correct : D. error due to line of collimation not being perpendicular to horizontal axis
43. Which of the following errors cannot be eliminated by taking both face observations ?
Correct : D. none of the above
44. If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will
Correct : A. increase
45. If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to
i) altitude bubble on index frame
ii) altitude bubble on index frame if it is to be used as a level
iii) altitude bubble on telescope
iv) altitude bubble on telescope if it is to be used as a level The correct answer is
Correct : B. both (i) and (iv)
46. A’level line’is a
Correct : B. line parallel to the mean spheriodal surface of earth
47. The following sights are taken on a “turning point”
Correct : C. foresight and backsight
48. The rise and fall method of levelling provides a completed check on
Correct : D. all of the above
49. If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is
1.870 m, the R.L. of the forward station is
Correct : A. 99.345 m
50. In an internal focussing type of telescope, the lens provided is
Correct : A. concave
51. Which of the following errors can be neutralised by setting the level midway
between the two stations ?
Correct : C. error due to both curvature and re-fraction
52. Height of instrument method of levelling is
Correct : C. quicker and less tedious for large number of intermediate sights
53. The rise and fall method
Correct : C. provides a check on the reduction of intermediate point levels
54. If the staff is not held vertical at a level¬ling station, the reduced level calculated
from the observation would be
Correct : C. less than true R.L.
55. The difference between a level line and a horizontal line is that
Correct : A. level line is a curved line while hori-zontal line is a straight line
56. The sensitivity of a bubble tube can be increased by
Correct : A. increasing the diameter of the tube
57. With the rise of temperature, the sensitivity of a bubble tube
Correct : A. decreases
58. Refraction correction
Correct : B. partially eliminates curvature correction
59. The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be
Correct : D. 105.20 m
60. As applied to staff readings, the corrections for curvature and refraction are respectively The above table shows a part of a level field book. The value of X should be
Correct : B. 100.00
61. If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to
Correct : C. d2
62. Sensitiveness of a level tube is designated by
Correct : A. radius of level tube
63. Which of the following statements is in-correct ?
Correct : D. All of the above statements are incorrect.
64. Dumpy level is most suitable when
Correct : C. many readings are to be taken from a single setting of the instrument
65. The difference of levels between two stations A and B is to be determined. For best results, the instrument station should be
Correct : A. equidistant from A and B
66. Contour interval is
Correct : A. inversely proportional to the scale of the map
67. An imaginary line lying throughout the surface of ground and preserving a
constant inclination to the horizontal is known as
Correct : D. contour gradient
68. The suitable contour interval for a map with scale 1 : 10000 is
Correct : A. 2 m
69. Select the correct statement.
Correct : C. Two contours of different elevations do not cross each other except in case of an overhanging cliff.
70. A series of closely spaced contour lines represents a
Correct : A. steep slope
71. Direct method of contouring is
Correct : C. most accurate method
72. In direct method of contouring, the process of locating or identifying points
lying on a contour is called
Correct : D. vertical control
73. In the cross-section method of indirect contouring, the spacing of cross-sections depends upon
i) contour interval
ii) scale of plan
iii) characteristics of ground
The correct answer is
Correct : D. (i), (ii) and (iii)
74. Which of the following methods of con-touring is most suitable for a hilly
terrain ?
Correct : D. tacheometric method
75. Select the correct statement.
Correct : A. Contour interval on any map is kept constant.
76. Closed contours, with higher value inwards, represent a
Correct : B. hillock
77. Contour interval is
Correct : A. the vertical distance between two con-secutive contours
78. Benchmark is established by
Correct : C. spirit levelling
79. The type of surveying which requires least office work is
Correct : C. plane table surveying
80. Intersection method of detailed plotting is most suitable for
Correct : C. hilly areas
81. Detailed plotting is generally done by
Correct : A. radiation
82. Three point problem can be solved by
Correct : D. all of the above
83. The size of a plane table is
Correct : B. 600 mm x 750 mm
84. The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
Correct : C. resection
85. The instrument used for accurate centering in plane table survey is
Correct : C. plumbing fork
86. The two point problem and three point problem are methods of
Correct : D. resection and orientation
87. The resection by two point problem as compared to three point problem
Correct : C. requires more labour
88. The methods used for locating the plane table stations are
i) radiation
ii) traversing
iii) intersection
iv) resection
The correct answer is
Correct : C. (ii) and (iv)
89. After fixing the plane table to the tripod, the main operations which are needed at each plane table station are
i) levelling
ii) orientation
iii) centering
The correct sequence of these operations is
Correct : B. (i), (iii), (ii)
90. Bowditch rule is applied to
Correct : B. a closed traverse for adjustment of closing error
91. If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the
Correct : B. SE quadrant
92. If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be
Correct : B. +86.6 m, -50 m
93. The angle between the prolongation of the preceding line and the forward line of a traverse is called
Correct : A. deflection angle
94. Transit rule of adjusting the consecutive coordinates of a traverse is used where
Correct : B. angular measurements are more accurate than linear measurements
95. Which of the following methods of theodolite traversing is suitable for locating
the details which are far away from transit stations ?
Correct : B. measuring angles to the point from at least two stations
96. Subtense bar is an instrument used for
Correct : C. measurement of horizontal distances in undulated areas
97. Horizontal distances obtained by thermometric observations
Correct : D. do not require slope and tension corrections
98. Hydrographic surveys deal with the mapping of
Correct : A. large water bodies
99. Pick up the correct statement from the following :
Correct : A. the eyepiece plays no part in defining the line of sight
100. The real image of an object formed by the objective, must lie