1. It is more convenient and gives better results while measuring horizontal distance
Correct : A. down the hill
2. The true or geographical meridiams through the various stations
Correct : B. converge to the poles
3. The angle of intersection of the horizon glass and index glass in an optical square is
Correct : B. 45?
4. The power of a telescope to form distinguishable images of objects separated by small angular distance is called its
Correct : D. resolving power
5. The method of plane tabling commonly used for establishing the instrument stations only, is a
Correct : D. method of resection
6. In an optical square, the angle between the first incident ray and the last reflected ray is
Correct : B. 90?
7. The process of turning the telescope of a theodolite over its supporting axis through 180? in a vertical plane, is called
Correct : D. any one of these
8. Which of the following statement is correct?
Correct : C. The combined effect of curvature and refraction in levelling is to increase the staff reading.
9. The method of reiteration of measuring horizontal angles is generally preferred when several angles are to be measured at a particular station.
Correct : A. Yes
10. The projection of a traverse line on a line perpendicular to the meridian is known as
Correct : B. departure of the line
11. When the cross-hairs are not clearly visible,
Correct : B. the eye-piece should be focussed
12. The angle between the back tangent and forward tangent of a curve is known as
Correct : C. angle of intersection
13. The lines passing through points at which the magnetic declination is equal at a given time are called
Correct : A. isogonic lines
14. A plumb bob is required
Correct : D. all of the above
15. The ratio of the focal length of the objective to that of an eye-piece of a telescope is called its
Correct : D. magnification
16. The levelling should always commence from a temporary bench mak and end on a permanent bench mark.
Correct : B. Incorrect
17. The obstacle, which obstructs vision but not chanining, is a
Correct : C. hill
18. When the magnetic declination is 5? 20' east, the magnetic bearing of the sun at noon will be
Correct : D. 354? 40'
19. In plane surveying,
Correct : B. the surveys extend over small areas
20. Chain surveying is most suitable when
Correct : D. all of the above
21. The lines of earth's magnetic field run from
Correct : B. north to south
22. The representative fraction 1 / 2500 means that the scale is
Correct : C. 1 cm = 25 m
23. If the fore bearing of a line is 36? 15', its back bearing will be
Correct : D. 216? 15'
24. In a field book, the booking is commenced at the bottom of a page and worked upwards.
Correct : A. True
25. A deflection angle in a traverse is equal to the
Correct : A. difference between the included angle and 180?
26. A deflection angle is
Correct : C. equal to the difference between the angle of intersection and 180?
27. The bearing of a line in the direction of the progress of survey is called back bearing
Correct : B. No
28. The rise and fall method for obtaining the reduced levels of points provides a check on
Correct : D. all of these
29. The axis of telescope level must be
Correct : A. parallel
30. In a direct vernier, the smallest division of a vernier is
Correct : B. shorter than
31. The latitude and departure of a traverse line are both positive when the whole circle bearing of the line lies in the
Correct : A. first quadrant
32. An invar tape is generally used for accurate measurement of distance because it possesses
Correct : B. low
33. The reconnaissance surveying is carried out to determine the artificial features such as roads, railways, canals, buildings etc.
Correct : B. False
34. The departure of a traverse line is obtained by multiplying its length with the tangent of its reduced bearing.
Correct : B. Disagree
35. The strength of 'fix' of a plane table from three known points is poor if the instrument station is near the great circle.
Correct : A. Correct
36. A diagonal scale is used to read
Correct : B. three
37. An imaginary line tangential to the longitudinal curve of the bubble tube at its middle point is called
Correct : B. axis of level tube
38. The curve used for ideal transition curve is a
Correct : D. lemniscate
39. In high latitudes, the diurnal variation of the magnetic needle is greater.
Correct : A. Agree
40. When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be
Correct : B. negative error
41. To find the true difference of level between two points, the level should be kept
Correct : B. exactly midway between the two points
42. A line joining the optical centre of the object glass and the centre of the eye piece, is known as
Correct : B. axis of telescope
43. When R is the radius of the curve (in metres), D is the degree of curve (in degrees) and length of the chord is 30 m, then the relation between R and D is
Correct : B. R = 1720/D
44. A compound curve consists of two arcs of equal radii bending in the same direction.
Correct : B. Wrong
45. The magnetic bearing of a line is S 35? 30' E and the magnetic declination is 4? 10' east. The true bearing of a line will be
Correct : A. S 31? 30' E
46. When the angular mesurements of a traverse are more precise than the linear measurements, the balancing of a traverse is done by
Correct : A. transit rule
47. The additive constant for the tacheometer is
Correct : D. f + d
48. Which of the following statement is correct?
Correct : D. all of the above
49. The error which is not completely eliminated in reciprocal levelling, is
Correct : B. error due to refraction
50. When the whole circle bearing of two lines AB and AC are 115? and 41? respectively, then the included angle BAC will be
Correct : B. 74?
51. The contour interval depends upon the
Correct : D. all of these
52. The difference is length between the arc and the subtended chord on the surface of the earth for a distance of 18.2 km is only
Correct : A. 10 mm
53. The image formed by the objective in the plane of cross hairs is
Correct : B. real and inverted
54. The vertical distance between any two consecutive contours is called
Correct : C. contour interval
55. The principle of tacheometry is used
Correct : D. all of these
56. The correction to be applied to each 30 m chain for a line measured along a slope of ? is
Correct : B. 30 (1 - cos ?)
57. The accuracy in laying down the perpendicular offsets and in measuring them depends upon
Correct : D. all of these
58. The diurnal variation of the magnetic needle is
Correct : B. less
59. The horizontal angle between the true meridian and a survey line is called
Correct : B. azimuth
60. When the angular and linear measurements are equally precise in traversing, the balancing of a traverse is done by
Correct : C. Bowditch's rule
61. When the measured length is less than the actual length, the error is known as
Correct : B. negative error
62. A branch of surveying in which the horizontal and vertical distances of points are obtained by instrumental observations, is known as
Correct : C. tacheometric surveying
63. In a well conditioned triangle, no angle should be less than
Correct : A. 30?
64. In levelling, the correction for curvature (in metres) is equal, where D = Distance from the level to the staff reading in kilometres.
Correct : B. 0.0785 D2
65. In order to fix up the directions of the survey lines in the compass survey, the horizontal angle between the survey line and a fixed line of reference is measured. This fixed line reference is the magnetic meridian.
Correct : A. True
66. The distance by which the last point of the traverse falls short to coincide with the starting point is called the closing error.
Correct : A. Right
67. In levelling, the effect of refraction varies with the atmospheric conditions
Correct : A. Yes
68. If a chain is used at a temperature at which it was calibrated, the error in measured length is positive.
Correct : B. lower than
69. In plane table surveying, field work is recorded in a field book to be plotted afterwards.
Correct : B. Disagree
70. The points on a contour gradient will have the same elevation.
Correct : B. False
71. The line joining the points having the same elevation above the datum surface, is called a
Correct : B. contour line
72. The working from whole to the part is done in surveying in order to ensure that
Correct : D. errors and mistakes of one portion do not affect the remaining portion
73. The building is an example of obstacle in which chaining and vision are both obstructed.
Correct : A. Correct
74. An angle measured clockwise from the proceeding survey line to the following survey line is called
Correct : A. direct angle
75. The capacity of telescope of producing a sharp image is called its
Correct : A. definition
76. The point on which the instrument is set up, is called station point
Correct : B. False
77. The bearing observed with a surveyor's compass is
Correct : B. quadrantal bearing
78. A French cross-staff has a magnetic compass at the top.
Correct : B. Wrong
79. The method of levelling in which the heights of mountains are found by observing the temperature at which water boils is known as
Correct : D. hypometry
80. When the length of chain used in measuring distance is shorter than the standard length, the error in measured distance will be compensating error.
Correct : B. Wrong
81. A plain scale is used to read
Correct : B. two dimensions
82. The surveying used to determine additional details such as boundaries of fields, is called
Correct : C. cadastral surveying
83. The area of any irregular figure can be calculated accurately with the help of a planimeter.
Correct : A. True
84. The shift of a curve is
Correct : D. one-fourth
85. The method of measuring distance by pacing is chiefly used in
Correct : A. reconnaissance surveys
86. In locating the details of an object whose direct measurement is not possible due to some obstruction, the method used is
Correct : B. by angle from one station and distance from the other station
87. The collimation method for obtaining the reduced levels of points does not provide a check on
Correct : D. intermediate sights
88. In a whole circle bearing system, S 25? 15' E corresponds to
Correct : B. 154? 45'
89. The representative fraction of the scale is the ratio of the distance on the map or drawing to the corresponding distance on the ground
Correct : A. Yes
90. The deflection angle for any chord is equal to the deflection angle for the proceeding chord minus the tangential angle for that chord.
Correct : B. No
91. It is required to find the difference in elevation between two points A and B. During levelling, it is found that the staff reading at B is more than the staff reading at A. It indicates that the point A is
Correct : A. higher than
92. The obstacle, which obstructs chaining but not vision, is a
Correct : A. river
93. When 1 cm on a map represents 10 m on the ground, the representative fraction of the scale is
Correct : C. 1?1000
94. The angle between the reflecting surfaces of a prism square is
Correct : B. 45?
95. The vertical distance above or below the datum is called
Correct : D. either (a) or (b)
96. For setting out an offset at an angle of 45?,
Correct : B. french
97. When the effect of curvature is taken into account in levelling, the true staff reading is obtained by
Correct : B. subtracting
98. In the surveying telescope, diaphragm is held
Correct : C. nearer to the eye piece
99. A base line in a chain survey
Correct : C. fixes up the directions of all other lines
100. The method of surveying used for dtermining the relative height of points on the surface of the earth is called