1. Hydrographic surveys deal with the mapping of
a) large water bodies
b) heavenly bodies
c) mountaineous region
d) movement of clouds.
2.
If h is the difference in level between end points separated by l, then the slope correction is 
The second term may be neglected if the value of h in a 20 m distance is less than
a) 1/2 m
b) 1m
c) 2m
d) 3m
3. An ideal vertical curve to join two gradients, is
a) circular
b) parabolic
c) elliptical
d) none of these.
4. Pick up the correct statement from the following :
a) the eyepiece plays no part in defining the line of sight
b) the diaphragm plays no part in defining the line of sight
c) the optical centre of the objective plays no part in defining the line of sight
d) none of these.
5. The intercept of a staff
a) is maximum if the staff is held truly normal to the line of sight.
b) is minimum if the staff is held truly normal to the line of sight.
c) decreases if the staff is tilted away from normal
d) increases if the staff is tilted towards normal.
6. The radius of curvature of the arc of the bubble tube is generally kept
a) 10 m
b) 25 m
c) 50 m
d) 100 m
7. If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to
a) 573 S/R
b) 573 R/S
c) 171.9 S/R
d) 1718.9 S/R.
8. The real image of an object formed by the objective, must lie
a) in the plane of cross hairs
b) at the centre of the telescope
c) at the optical centre of the eye-piece
d) anywhere inside the telescope.
9. In chain surveying tie lines are primarily provided
a) to check the accuracy of the survey
b) to take offsets for detail survey
c) to avoid long offsets from chain lines
d) to increase the number of chain lines.
10. Pick up the correct statement from the following :
a) the tangent screw enables to give small movement under conditions of smooth and positive control
b) standing on the tripod is the levelling head or trib arch
c) the levelling screws are used to tilt the instrument so that its rotation axis is truly vertical
d) all the above.
11. One of the Lehmann's rules of plane tabling, is
a) location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances
b) when looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray
c) when the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays
d) none of these.
12. If f1 and f2 are the distances from the optical centre of a convex lens of focal length f to conjugate two points P1 and P2 respectively, the following relationship holds good
a) f = f1 + f2
b) f = (f1 + f2 )/2
c) 
d) none of these.
13. The accuracy of measurement in chain surveying, does not depend upon
a) length of the offset
b) scale of the plotting
c) importance of the features
d) general layout of the chain lines.
14. If arithmetic sum of latitudes of a closed traverse is ∑Lat and closing error in latitude is dx, the correction for a side whose latitude is l, as given by Transit Rule, is
a)
b)
c) 
d) none of these.
15. Closed contours of decreasing values towards their centre, represent
a) a hill
b) a depression
c) a saddle or pass
d) a river bed.
16. If a 30 m chain diverges through a perpendicular distance d from its correct alignment, the error in length, is
a) 
b)
c) 
d)
17. Diopter is the power of a lens having a focal length of
a) 25 cm
b) 50 cm
c) 75 cm
d) 100 cm
18. An imaginary line joining the points of equal elevation on the surface of the earth, represents
a) contour surface
b) contour gradient
c) contour line
d) none of these.
19. The 'fix' of a plane table station with three known points, is bad if the plane table station lies
a) in the great triangle
b) outside the great triangle
c) on the circumference of the circumscribing circle
d) none of these.
20. If R is the radius of the main curve, θ the angle of deflection, S the shift and L the length of the transition curve, then, total tangent length of the curve, is
a) (R - S) tan θ/2 - L/2
b) (R + S) tan θ/2 - L/2
c) (R + S) tan θ/2 + L/2
d) (R - S) tan θ/2 + L/2
21. In chain surveying field work is limited to
a) linear measurements only
b) angular measurements only
c) both linear and angular measurements
d) all the above.
22. Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is
a) 10 cm
b) 20 cm
c) 30 cm
d) 40 cm
23. If θ is the vertical angle of an inclined sight, δ is the angle of tilt of the staff, the error
a) 
b) 
c) 
d) none of these.
24. One of the tacheometric constants is additive, the other constant, is
a) subtractive constant
b) multiplying constant
c) dividing constant
d) indicative constant.
25. The limiting length of an offset does not depend upon
a) accuracy of the work
b) method of setting out perpendiculars
c) scale of plotting
d) indefinite features to be surveyed.
26. In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
a) adding 180°, if the given bearing is less than 180°
b) subtracting 180°, if the given bearing, is more than 180°
c) changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
d) none of these.
27. If L is the perimeter of a closed traverse, ΔD is the closing error in departure, the correction for the departure of a traverse side of length l, according to Bowditch rule, is
a) 
b) 
c) 
d) 
28. Pick up the correct statement from the following:
a) the theodolite in which telescope can be rotated in vertical plane is called a transit
b) when the vertical circle is to the left of the telescope during observation, it is called to be in left face
c) when the vertical circle is to the right of the telescope during observation, it is called to be in right face
d) all the above.
29. Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following
a) chain surveying
b) compass surveying
c) plan table surveying
d) tacheometric surveying.
30. 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
a) correctly focussed
b) not correctly focussed
c) said to have parallax
d) free from parallax.
31. Accuracy of 'fix' by two point problem, is
a) bad
b) good
c) not reliable
d) unique.
32. A bearing of a line is also known as
a) magnetic bearing
b) true bearing
c) azimuth
d) reduced bearing
33. True meridians are generally preferred to magnetic meridians because
a) these converge to a point
b) these change due to change in time
c) these remain constant.
d) None of these.
34. Pick up the correct statement from the following :
a) the apparent error on reversal is twice the actual error
b) the correction may be made equal to half the observed discrepancy.
c) the good results may be obtained from a defective instrument by reversing and taking the mean of two erroneous results
d) all the above.
35. If θ is the slope of the ground and l is the measured distance, the correction is
a) 2l sin2 θ/2
b) 2l cos2 θ/2
c) 2l tan2 θ/2
d) 2l cot2 θ/2.
36. The most reliable method of plotting a theodolite traverse, is
a) by consecutive co-ordinates of each station
b) by independent co-ordinates of each station
c) by plotting included angles and scaling off each traverse leg
d) by the tangent method of plotting.
37. The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to
a) the distance between the zero of gradient and the foot of the staff
b) twice the distance between the zero of graduation and the foot of the staff
c) thrice the distance between the zero of graduation and the foot of the staff
d) none of the above.
38. Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to
a) 14.14
b) 28.28 m
c) 200 m
d) none of these.
39. The bearings of the lines AB and BC are 146° 30' and 68° 30'. The included angle ABC is
a) 102°
b) 78°
c) 45°
d) none of these.
40. For a closed traverse the omitted measurements may be calculated
a) length of one side only
b) bearing of one side only
c) both length and bearing of one side
d) all the above.
41. The slope correction for a length of 30 m along a gradient of 1 in 20, is
a) 3.75 cm
b) 0.375 cm
c) 37.5 cm
d) 2.75 cm.
42. The main principle of surveying is to work
a) from part to the whole
b) from whole to the part
c) from higher level to the lower level
d) from lower level to higher level.
43. For the construction of highway (or railway)
a) longitudinal sections are required
b) cross sections are required
c) both longitudinal and cross sections are required
d) none of these.
44. If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.
a) R/10
b) R/15
c) R/20
d) R/25.
45. The sensitiveness of a level tube decreases if
a) radius of curvature of its inner surface is increased
b) diameter of the tube is increased
c) length of the vapour bubble is increased
d) both viscosity and surface tension are increased.
46. For true difference in elevations between two points A and B, the level must be set up
a) at any point between A and B
b) at the exact mid point of A and B
c) near the point A
d) near the point B.
47. ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is
a) 90°
b) 120°
c) 210°
d) 270°
48. Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than
a) 30 m
b) 25 m
c) 20 m
d) 15 m
49. Pick up the correct statement from the following :
a) Box sextant is used for the measurement of horizontal angles
b) Cross staff is used for setting out right angles
c) Gradiometer is used for setting out any required gradient
d) All the above.
50. An ideal transition curve is
a) cubic parabola
b) cubic spiral
c) clothoid spiral
d) true spiral.
51. Pantagraph is used for
a) measuring distances
b) measuring areas
c) enlarging or reducing plans
d) setting out right angles
52. If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by
a) Bowditch's rule
b) Transit rule
c) Empirical rule
d) all of the above.
53. The branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known
a) tacheometry
b) tachemetry
c) telemetry
d) all the above.
54. In levelling operation
a) when the instrument is being shifted, the staff must not be moved
b) when the staff is being carried forward, the instrument must remain stationary
c) both (a) and (b)
d) neither (a) nor (b).
55. If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway, is
a) 2.828
b) 3.828
c) 1.828
d) 0.828.
56. The angle between two plane mirrors of optical square, is
a) 20°
b) 30°
c) 45°
d) 60°
57. The latitude of a traverse leg is obtained by multiplying its length by
a) tangent of its reduced bearing
b) sign of its reduced bearing
c) cosine of its reduced bearing
d) cosecant of its reduced bearing.
58. For a curve of radius 100 m and normal chord 10 m, the Rankine's deflection angle, is
a) 0°25'.95
b) 0°35'.95
c) 1°25'.53
d) 2°51'.53.
59. A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m, the error is approximately equal to
a) cumulative, + 0.11 m
b) compensating, ± 0.11 m
c) cumulative, - 0.11 m
d) none of these
60. In optical reading instruments
a) the vertical circle is usually continuous from 0° to 359°
b) the readings increase when the telescope is elevated in the face left position
c) the readings decrease when the telescope is elevated in the face right position
d) all the above.
61. For setting out a simple curve, using two theodolites.
a) offsets from tangents are required
b) offsets from chord produced are required
c) deflection angles from Rankine's formula are required
d) none of these.
62. Geodetic surveying is undertaken
a) for production of accurate maps of wide areas
b) for developing the science of geodesy
c) for determination of accurate positions on the earth's surface of system of control points
d) all the above.
63. The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be
a) 13.75 m
b) 3.44 m
c) 1375 m
d) none of these.
64. A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at A and B were 1.22 and 1.06. With the level set up a A, the readings at A and B were 1.55 and 1.37. The collimation error per 100 m length of sight is
a) 0.02 m inclined upwards
b) 0.04 m inclined downwards
c) 0.04 m inclined upward
d) none of these.
65. Keeping the instrument height as 1.5 m, length of staff 4 m, the up gradient of the ground 1 in 10, the sight on the up slope must be less than
a) 25 cm
b) 20 m
c) 45 m
d) 10 m
66. True meridian of different places
a) converge from the south pole to the north pole
b) converge from the north pole to the south pole
c) converge from the equator to the poles
d) run parallel to each other.
67. Let angular value of one graduation of a tube of length x be φ seconds and R be the radius of its internal curved surface, then
a) 
b) 
c) 
d)
68. Pick up the correct statement from the following :
a) the length of the brass handle is included in the length of chain
b) the handles are on swivel joints to prevent twisting of the chain
c) the fifth tag from either end of the chain is numbered 5
d) all the above.
69. Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value, state whether the line of sight AB
a) passes clear of hill top C
b) passes below the hill top C
c) grazes the hill top C
d) none of these.
70. The diaphragm of a stadia theodolite is fitted with two additional
a) horizontal hairs
b) vertical hairs
c) horizontal and two vertical hairs
d) none of these.
71. Centering error of a theodolite produces an error
a) in all angles equally
b) which does not vary with the direction or pointing
c) which varies with the direction of pointing and inversely with the length of sight
d) none of these.
72. In levelling operation
a) if second reading is more than first, it represents a rise
b) if first reading is more than second, it represents a rise
c) if first reading is less than second, it represents a fall
d) both (b) and (c).
73. A tape of length l and weight W kg/m is suspended at its ends with a pull of P kg, the sag correction is
a) 
b) 
c)
d) 
74. Pick up the correct statement from the following :
a) in astronomical telescope, the rays from the object after refraction at the objective are brought to a focus before entering the eyepiece to produce a real inverted image in front of the eye piece
b) in Galileo's telescope, the rays from the object get refracted at the objective and are intercepted by the eyepiece before a real image is formed
c) a line passing through the optical centre of the objective traversing through the eyepiece, is called line of sight
d) all the above.
75. The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known
a) balancing the sights
b) balancing the departures
c) balancing the latitudes
d) balancing the traverse.
76. If the sight distance (S) is equal to the length of the vertical-curve (2l) joining two grades g1% and - g2%, the height of the apex will be
a) 
b) 
c) 
d) none of these.
77. Orientation of a plane table by solving two point problem is only adopted when
a) saving of time is a main factor
b) better accuracy is a main factor
c) given points are inaccessible
d) none of these.
78. A back sight
a) is always taken on a point of known elevation or can be computed
b) is added to the known level to obtain the instrument height
c) taken on an inverted staff is treated as negative
d) all the above.
79. If the area calculated form the plan plotted with measurements by an erroneous chain, accurate area of the plan is
a) 
b) 
c)
d) none of the above
80. The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every
a) 100 sq. km of area
b) 150 sq. km of area
c) 200 sq. km of area
d) none of these.
81. The systematic errors which persist and have regular effects in the performance of a survey operation, are due to
a) carelessness
b) faulty instrument
c) inattention
d) none of these.
82. The best method of interpolation of contours, is by
a) estimation
b) graphical means
c) computation
d) all of these.
83. Pick up the correct specification of Ramsden eyepiece from the following :
a) it consists of two equal piano convex lenses
b) the two lenses are separated by a distance equal to 2/3 of the focal length of either lens.
c) the distance between the diaphragm and the front lens of the eyepiece is kept equal to 1/4 th of the focal length of a lens so that rays from a point on the diaphragm enter the eye as a parallel beam
d) all the above.
84.
The conventional sign shown in below figure represents a
a) bridge carrying railway below road
b) bridge carrying road below railway
c) bridge carrying road and railway at the same level
d) a level crossing.
85. Deviation of the actual road gradient from the proposed contou'r gradient up hill side, involves
a) embankment on the centre line
b) excavation on the centre line
c) earth work on the centre line
d) none of these.
86. Measuring with a 30 m chain, 0.01 m too short, introduces
a) positive compensating error
b) negative compensating error
c) positive cumulative error
d) negative cumulative error.
87. Setting out a curve by two theodolite method, involves
a) linear measurements only
b) angular measurements only
c) both linear and angular measurements
d) none of these.
88. When the bubble of the level tube of a level, remains central
a) line of sight is horizontal
b) axis of the telescope is horizontal
c) line of collimation is horizontal
d) geometrical axis of the telescope is horizontal.
89. Pick up the correct statement from the following :
a) the power of a lens is the reciprocal of its focal length
b) the unit of power of the lens is diopter
c) the power of two or more thin lenses in contact is the power of the combination of the lenses
d) all the above.
90. The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known
a) declination
b) azimuth
c) dip
d) bearing.
91. A relatively fixed point of known elevation above datum, is called
a) bench mark
b) datum point
c) reduced level
d) reference point.
92. Cross hairs in surveying telescopes, are fitted
a) in the objective glass
b) at the centre of the telescope
c) at the optical centre of the eye piece
d) in front of the eye piece.
93. Metric chains are generally available in
a) 10 m and 20 m length
b) 15 m and 20 m length
c) 20 m and 30 m length
d) 25 m and 100 m length
94. On a diagonal scale, it is possible to read up to
a) one dimension
b) two dimensions
c) three dimensions
d) four dimensions.
95. Plotting of inaccessible points on a plane table, is done by
a) intersection
b) traversing
c) radiation
d) none of these.
96. A dumpy level is set up with its eye-piece vertically over a peg A. The height from the top of peg A to the centre of the eye-piece is 1.540 m and the reading on peg B is 0.705 m. The level is then setup over B. The height of the eye-piece above peg B is 1.490 m and a reading on A is 2.195 m. The difference in level between A and B is
a) 2.900 m
b) 3.030 m
c) 0.770 m
d) 0.785 m
97. The curve composed of two arcs of different radii having their centres on the opposite side of the curve, is known
a) a simple curve
b) a compound curve
c) a reverse curve
d) a vertical curve.
98. The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's
a) resolving power
b) brightness
c) field of view
d) magnification.
99. The bubble tube is nearly filled with
a) alcohol or chloroform
b) a liquid which is very mobile
c) a liquid having low freezing point
d) all the above.
100. Simpson's rule for calculating areas states that the area enclosed by a curvilinear figure divided into an even number of strips of equal width, is equal to
a) half the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets, and thrice the sum of the even offsets
b) one third the width of a strip, multiplied by the sum of two extreme offsets, twice the sum of remaining odd offsets and four times the sum of the even offsets
c) one third the width of a strip, multiplied by the sum of two extreme offsets, four times the sum of the remaining odd offsets, and twice the sum of the even offsets
d) none of these
101. In a constant level tube, size of the bubble remains constant because upper wall is
a) of relatively larger radius
b) of relatively smaller radius
c) flat
d) convex downwards.
102. Prismatic compass is considered more accurate than a surveyor's compass, because
a) it is provided with a better magnetic needle
b) its graduations are in whole circle bearings
c) it is provided with a prism to facilitate reading of its graduated circle
d) both (c) and (b).
103. In reciprocal levelling, the error which is not completely eliminated, is due to
a) earth's curvature
b) non-adjustment of line of collimation
c) refraction
d) non-adjustment of the bubble tube.
104. In tacheometrical observations, vertical staff holding is generally preferred to normal staffing, due to
a) ease of reduction of observations
b) facility of holding
c) minimum effect of careless holding on the result
d) none of these.
105. Removal of parallax, may be achieved by focussing
a) the objective
b) the eye-piece
c) the objective and the eye-piece
d) none of these.
106. Pick up the correct statement from the following :
a) A level surface is perpendicular at all points to the direction of gravity
b) A level line lies in level surface
c) A horizontal surface is normal to the direction of gravity at only one point
d) All the above.
107. The direction of steepest slope on a contour, is
a) along the contour
b) at an angle of 45° to the contour
c) at right angles to the contour
d) none of these.
108. Back bearing of a line is equal to
a) Fore bearing ± 90°
b) Fore bearing ± 180°
c) Fore bearing ± 360°
d) Fore bearing ± 270°
109. In an internal focusing telescope
a) the objective is at a fixed distance from the diaphragm
b) the focusing is done by the sliding of a divergent lens.
c) the focusing divergent lens is situated at about the middle of the tube
d) all the above.
110. The longitudinal section of the surface of bubble tube is
a) straight
b) circular
c) parabolic
d) elliptic.
111. Imaginary line passing through points having equal magnetic declination is termed as
a) isogon
b) agonic line
c) isoclinic line
d) none of these.
112. In case of reduction of levels by the height of instrument method,
a) ∑ B.S. - ∑ F.S. = difference in R.L.S of the first station and last station
b) ∑ (R.L. + I + F.S.) - first R.L = ∑ (H.I. + No. of R.L.s.)
c) both (a) and (b) above
d) neither (a) nor (b).
113. A theodolite is said to be in perfect adjustment if
a) rotation axis is vertical to the transit axis
b) transit axis is perpendicular to line of collimation
c) line of collimation sweeps out a vertical plane while the telescope is elevated or depressed
d) all the above.
114. While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates
a) the rotation axis is vertical
b) the trummion axis is horizontal
c) the line of collimation is perpendicular to vertical axis
d) none of the above
115. The main plate of a transit is divided into 1080 equal divisions. 60 divisions of the vernier coincide exactly with 59 divisions of the main plate. The transit can read angles accurate upto
a) 5"
b) 10"
c) 15"
d) 20"
116. Pick up the correct statement from the following :
a) the lines of sight while observing back sight and fore sight lie in the same horizontal plane
b) the staff readings are measurements made vertically downwards from a horizontal plane
c) the horizontal plane with reference to which staff readings are taken, coincides with the level surface through the telescope axis
d) all the above.
117. A traverse deflection angle is
a) less than 90°
b) more than 90° but less than 180°
c) the difference between the included angle and 180°
d) the difference between 360° and the included angle.
118. While measuring a chain line between two stations A and B intervened by a raised ground
a) vision gets obstructed
b) chaining gets obstructed
c) both vision and chaining get obstructed
d) all the above.
119. The Random errors tend to accumulate proportionally to
a) numbers of operations involved
b) reciprocal of operations involved
c) square root of the number of operation involved
d) cube root of the number of operation involved.
120. The true meridian of a place is the line in which earth's surface is intersected by a plane through
a) east and west points
b) zenith and nadir points
c) north and south geographical poles
d) north and south magnetic poles.
121. The least count of a vernier scale is
a) sum of the smallest divisions of main and vernier scales
b) value of one division of the primary scale divided by total number of divisions of vernier scale
c) value of one division of vernier scale divided by total number of divisions of primary scale
d) none of these.
122. Which one of the following procedures for getting accurate orientation is the most distinctive feature of the art of plane tabling
a) radiation
b) intersection
c) traversing
d) resection.
123. A clinometer is used for
a) measuring angle of slope
b) correcting line of collimation
c) setting out right angles
d) defining natural features.
124. Diurnal variation of magnetic declination is
a) greater at equator than nearer the poles
b) less at equator than nearer the poles
c) less in summer than in winter
d) same at all latitudes and during different months.
125. The 'fix' of a plane table from three known points, is good, if
a) middle station is nearest
b) middle station is farthest
c) either the right or left station is nearest
d) none of these.
126. The construction of optical square is based, on the principle of optical
a) reflection
b) refraction
c) double refraction
d) double reflection.
127. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as
a) direct vernier
b) double vernier
c) retrograde vernier
d) simple vernier.
128. Cross-staff is used for
a) setting out right angles
b) measuring contour gradient
c) taking levels
d) none of these
129. The 'point of curve' of a simple circular curve, is
a) point of tangency
b) point of commencement
c) point of intersection
d) mid-point of the curve
130. For orientation of a plane table with three points A, B and C, Bessel's drill is
a) Align b through a and draw a ray towards c, align a through b and draw a ray towards c, finally align c through the point of intersection of the previously drawn rays
b) Align c through a and draw a ray towards b, align a through c and draw a ray towards b, finally align b through the point of intersection of the previously drawn rays
c) Align c through b and draw a ray towards a, align b through c and draw a ray towards a, finally align a, through the point of intersection of the previously, drawn rays
d) In the first two steps any two of the points may be used and a ray drawn towards the third point, which is sighted through the point of intersection of previously drawn rays in the final step.
131. The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is
a) 5 mm
b) 10 mm
c) 15 mm
d) 20 mm.
132. Pick up the correct statement from the following :
a) in the earth's magnetic field, a magnetic needle rests in magnetic meridian
b) the angle between the true meridian and the magnetic meridian is called magnetic variation
c) one end of the magnetic needle supported at its centre of gravity tends to dip down towards the. nearer magnetic pole of the earth
d) all the above.
133. Ramsden eye-piece consists of
a) two convex lenses short distance apart
b) two concave lenses short distance apart
c) one convex lens and one concave lens short distance apart
d) two plano-convex lenses short distance apart, with the convex surfaces facing each other.
134. The distance between steps for measuring down hill to obtain better accuracy
a) decreases with decrease of slope
b) increases with increase of slope
c) decreases with increase of slope
d) decreases with decrease of weight of the chain.
135. The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at
a) every point of the bubble
b) either end of the bubble
c) the mid-point of the bubble
d) no where.
136. Pick up the correct statement from the following :
a) If the slope of the curve of a mass diagram in the direction of increasing abscissa is downward, it indicates an embankment
b) The vertical distance between a maximum ordinate and the next forward maximum ordinate represents the whole volume of the embankment
c) The vertical distance between a minimum ordinate and the next forward maximum ordinate represents the whole volume of a cutting
d) all the above.
138. Pick up the correct statement from the following :
a) if the image of the object does not fall on the plane of the cross-lines, parallax exists
b) parallax has nothing to do with the eyepiece
c) the eyepiece is adjusted for clear vision of the cross hairs
d) all the above.
139. The slope correction may be ignored if
a) the slope of the ground is less than 3°
b) to slope of the ground is say 1 in 19
c) both (a) and (b)
d) neither (a) nor (b)
140. If Δ is the angle of deflection of the curve, T1 and T2 are its points of tangencies, the angle between the tangent at T1 and long chord T1 T2 will be
a) 
b) 
c) 
d) Δ
141. If a tacheometer is fitted with an anal-latic lens
a) additive constant is 100, multiplying constant is zero
b) multiplying constant is 100, additive constant is zero
c) both multiplying and additive constants are 100
d) both multiplying and additive constants are 50.
142. Volume of the earth work may be calculated by
a) mean areas
b) end areas
c) Prismoidal formula
d) all the above.
143. Which one of the following mistakes/errors may be cumulative + or - :
a) bad ranging
b) bad straightening
c) erroneous length of chain
d) sag.
144. The orthographical projection of a traverse leg upon the reference meridian, is known as
a) departure of leg
b) latitude to the leg
c) co-ordinate of the leg
d) bearing of the leg.
145. The whole circle bearing of a line is 290°. Its reduced bearing is
a) N 20° E
b) N 20° W
c) N 70° W
d) S 70° E
