1. The reduced level of a point on the ground is called
Correct : C. either (a) or (b)
2. If a chain is used at a temperature
Correct : C. higher than
3. The curve of varying radius is known as
Correct : D. transition cruve
4. Two theodolite method of setting out a curve involves
Correct : B. angular measurements only
5. A fixed point of reference of known elevation is called
Correct : C. bench mark
6. The correction to the measured length will be negative when the chain is held on the ground sloping upwards.
Correct : A. Yes
7. When the object lies on the left hand side of the chain line, then while taking offset with an optical square, it is held in
Correct : D. right hand upright
8. A method of differential levelling is used in order to find the difference in elevation between two points when
Correct : D. all of the above
9. A metallic tape is made of an alloy of nickel and steel.
Correct : B. False
10. When a staff is sighted through the telescope, a certain length of staff is intercepted by the stadia lines. The staff intercept varies with the distance at which the staff is held.
Correct : A. Yes
11. With a simple vernier, readings can be taken in one direction only.
Correct : A. Yes
12. In railway and highway works, the method of measuring the
Correct : B. deflection angles
13. The contour interval of any survey is inversely proportional to the scale of the map.
Correct : A. Agree
14. The angle of field of the telescope
Correct : D. all of the above
15. For accurate work, the lengths of back sight and fore sight are kept unequal.
Correct : A. Agree
16. The plane table surveying is
Correct : D. all of the above
17. The line in which the plane passing through the given point and the north and south poles intersects the surface of the earth, is called
Correct : C. true meridian
18. A scale used for measuring fractional parts of the smallest division of the main scale is known as vernier scale.
Correct : A. Correct
19. To the sum of the first and last ordinates, add twice the sum of the remaining odd ordinates and four times the sum of all the even ordinates. The total sum thus obtained is multiplied by one-third of the common distance between the ordinates and the result gives the required area. This rule of finding the area is called.
Correct : D. Simpson's rule
20. A surface which is normal to the direction of gravity at all points, as indicated by a plumb line, is known as
Correct : B. leverl surface
21. The error in measured length due to sag of chain or tape is known as
Correct : A. positive error
22. When the latitudes and departures are so adjusted that the algebraic sum of the latitudes and departures are equal to zero, the operation is called
Correct : C. balancing the traverse
23. In plane tabling, the instrument used to measure horizontal and vertical distances directly, is known as
Correct : B. telescopic alidade
24. When the whole circle bearing of a traverse line is between 90? and 180?, then
Correct : B. the departure is positive and latitude is negative
25. Which of the following statement is wrong?
Correct : D. all of the above
26. Chain surveying consists of the arrangement of framework of triangles because a triangle is the only simple plane figure which can be plotted uniquely if
Correct : A. three sides
27. The curvature of the earth is taken into consideration if the limit of survey is
Correct : D. more than 250 km2
28. The horizontal distance between any two consecutive contours is called
Correct : B. horizontal equivalent
29. When the effect of refraction is taken into account in levelling, the true staff reading is obtained by subtracting the correction for refraction from the observed staff reading.
Correct : B. Wrong
30. A vertical line at any point is a line normal to the level surface at the point.
Correct : A. Yes
31. A stadia telescope, in a tacheometer, is fitted with
Correct : B. two additional horizontal hairs
32. In route surveys, the most suitable method of contouring is
Correct : C. by cross-sections
33. Which of the following statement is wrong?
Correct : D. all of the above
34. The direct angles may have any value between
Correct : D. 0? and 360?
35. When the length of a chord is less than the peg interval, it is known as
Correct : C. sub-chord
36. The fundamental requirement of the spiral curve is that its radius of curvature at any point shall vary inversely as the distance from the beginning of the curve.
Correct : A. Agree
37. The deflection angle may be directly obtained by setting the instrument to read
Correct : A. 0?
38. If x is the smallest division on the main scale and n are the number of divisions on the vernier, then the least count of the vernier is
Correct : D. x ? n
39. A line joining some fixed points on the main survey lines, is called a
Correct : B. tie line
40. The degree of the curve is the angle subtended by a chord of
Correct : D. 30 m
41. The length of peg interval for flat curves is
Correct : D. 30 m
42. A staff reading taken on a point whose elevation is to be determined as on a change point is called.
Correct : A. fore sight reading
43. When the position of a point is to be located accurately by a perpendicular offset, the direction of perpendicular is set out by means of
Correct : B. optical square
44. The height of instrument is equal to
Correct : A. reduced level of bench mark + back sight
45. The tachemometric method of contouring is particularly suitable
Correct : A. when a contoured map of hill is required
46. The method of surveying in which field work and plotting work are done simultaneously, is called
Correct : C. plane tabling
47. The operation of turning the table so that all the lines on the paper are parallel to the corresponding lines on the ground, is called
Correct : D. orientation
48. A line joining the apex of a triangle to some fixed point on the opposite side is called a
Correct : A. check line
49. Which of the following statement is correct?
Correct : B. If the chain used in measuring a distance is too short, the error is positive error.
50. The contour lines can cross one another on map only in the case of
Correct : D. an overhanging cliff
51. In order to measure a horizontal angle more accurately than a vernier, a
Correct : A. method of repitition is used
52. An axis about which the telescope can be rotated in a horizontal plane, is called
Correct : B. vertical axis
53. A simple circular cruve is designated by the
Correct : D. angle subtended at the centre by a chord of particular length
54. A check line in a chain surveying
Correct : A. checks the accuracy of the framework
55. In a duadrantal system, the bearing of a line is measured
Correct : C. clockwise or anticlockwise from the north or wouth whichever is nearer the line towards east or west
56. An arbitrary surface with reference to which the elevation of points are measured and compared, is called
Correct : A. datum surface
57. The error in measured length due to incorrect holding of chain is
Correct : A. compensating error
58. At the equator, the amount of dip is
Correct : A. 0?
59. A transition curve when inserted between the tangent and the circular curve
Correct : D. all of the above
60. An imaginary line tangential to the longitudinal curve of the level at the centre of the tube is called
Correct : C. axis of the level tube
61. Which of the following statement is wrong?
Correct : C. The latitude is positive when measured downward or southward.
62. The traversing by the method of deflection angles is chiefly used in
Correct : D. all of these
63. The magnification of a telescope is the ratio of the angle subtended at the eye by the virtual image of the object to that subtended by the object.
Correct : A. Correct
64. If any closed traverse, if the survey work is correct, then
Correct : D. all of the above
65. The image produced by the telescope will be dull, if it has
Correct : B. bright
66. The magnetic bearing of a line is 55? 30v and the magnetic declination is 4? 30' west. The true bearing of a line will be
Correct : D. 51?
67. The line of collimation should be
Correct : B. horizontal
68. In indirect method of contouring, the best method of interpolation of contours is
Correct : C. by arithmetical calculation
69. When (h) is the difference in heights between the extremities of a chain length (l), then the correction for slope required is
Correct : C. h2 / 2l
70. The instrument attached to the wheel of a vehicle in order to measure the distance travelled, is called
Correct : C. odometer
71. An average length of a pace is
Correct : B. 80 cm
72. When the curve is to be set out over a rough ground, the method used is
Correct : D. either (b) or (c)
73. The capability of showing small angular movements of the level rube vertically, is called its sensitivity.
Correct : A. Right
74. The difference between the sum of the angles of a apherical triangle on the earth's surface and the angles of the corresponding plane triangle for every 195.5 km2 of area is only
Correct : A. 1 second
75. Rise and fall method is used in.
Correct : C. check levelling
76. The plotting of small areas which can be commanded from a single station, is usually done on the plane table by the method of
Correct : A. radiation
77. In the surveying telescopes, cross hairs are fitted in
Correct : C. front of the eye piece
78. A line normal to the plumb line at all points is known as
Correct : C. level line
79. A back sight indicates the
Correct : B. setting up
80. in measuring horizontal angles, the theodolite should be turned
Correct : B. clockwise from the back station to the forward station
81. According to Lehman's rule of plane tabling
Correct : D. all of the above
82. The brightness of the image
Correct : D. varies inversely as the square of
83. An angle between the inclined line of sight and the horizontal is called
Correct : B. vertical angle
84. The longest of the chain lines used in making a survey is generally regarded as a base line.
Correct : A. Agree
85. The line of collimation must be parallel to the horizontal axis.
Correct : B. No
86. The horizon glass in an optical square is
Correct : D. half silvered and half unsilvered
87. In a prismatic compass, the zero of the graduated ring is located at
Correct : B. south end
88. In tachcometric method of setting out a curve, no chain or tape is used.
Correct : A. True
89. The axis of bubble tube must be perpendicular to the vertical axis.
Correct : A. Right
90. When the length of offset is 20 m, it is called
Correct : B. long
91. When the centres of the arcs lie on the opposite sides of the common tangent at the junction of the two curves, it is known as a
Correct : D. reverse curve
92. The contour interval
Correct : A. should be constant
93. When several contours coincide, it indicates
Correct : A. a vertical cliff
94. The instrument, belonging to a class of reflecting instrument, is
Correct : D. all of these
95. The positive error makes the measured distance
Correct : B. more than
96. The object of introducing a transition curve at each end of the circular curve is