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This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on Surveying Set 5

Q1 | In chain surveying tie lines are primarily provided
  • to check the accuracy of the survey
  • to take offsets for detail survey
  • to avoid long offsets from chain lines
  • to increase the number of chain lines.
Q2 | 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
  • f = f1 + f2
  • f = (f1 + f2)
  • 1/ f1 + 1/ f2
  • none of these.
Q3 | Closed contours of decreasing values towards their center, represent
  • a hill
  • a depression
  • a saddle or pass
  • a river bed.
Q4 | An imaginary line joining the points of equal elevation on the surface of the earth, represents
  • contour surface
  • contour gradient
  • contour line
  • level line
Q5 | In chain surveying field work is limited to
  • linear measurements only
  • angular measurements only
  • both linear and angular measurements
  • all the above
Q6 | In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
  • adding 180°, if the given bearing is less than 180°
  • subtracting 180°, if the given bearing, is more than 180°
  • changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
  • none of these.
Q7 | Pick up the method of surveying in which field observations and plotting proceedsimultaneously from the following
  • chain surveying
  • compass surveying
  • plan table surveying
  • tacheometric surveying.
Q8 | 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
  • correctly focused
  • not correctly focused
  • said to have parallax
  • free from parallax.
Q9 | True meridians are generally preferred to magnetic meridians because
  • these converge to a point
  • these change due to change in time
  • these remain constant.
  • None of these.
Q10 | The main principle of surveying is to work
  • from part to the whole
  • from whole to the part
  • from higher level to the lower level
  • from lower level to higher level.
Q11 | Geodetic surveying is undertaken
  • for production of accurate maps of wide areas
  • for developing the science of geodesy
  • making use of most accurate instruments and methods of observation
  • all the above.
Q12 | The best method of interpolation of contours, is by
  • estimation
  • graphical means
  • computation
  • all of these.
Q13 | The conventional sign shown in below figure represents a
  • bridge carrying railway below road
  • bridge carrying road below railway
  • bridge carrying road and railway at the same level
  • a level crossing.
Q14 | A relatively fixed point of known elevation above datum, is called
  • bench mark
  • datum point
  • reduced level
  • reference point.
Q15 | Cross hairs in surveying telescopes, are fitted
  • in the objective glass
  • at the center of the telescope
  • at the optical center of the eye piece
  • in front of the eye piece.
Q16 | On a diagonal scale, it is possible to read up to
  • one dimension
  • two dimensions
  • three dimensions
  • Four dimensions.
Q17 | Plotting of inaccessible points on a plane table, is done by
  • intersection
  • traversing
  • radiation
  • none of these.
Q18 | Prismatic compass is considered more accurate than a surveyor's compass, because
  • it is provided with a better magnetic needle
  • it is provided with a sliding glass in the object vane
  • its graduations are in whole circle bearings
  • it is provided with a prism to facilitate reading of its graduated circle
Q19 | Removal of parallax, may be achieved by focussing
  • the objective
  • the eye-piece
  • the objective and the eye-piece
  • none of these.
Q20 | In an internal focusing telescope
  • the objective is at a fixed distance from the diaphragm
  • the focusing is done by the sliding of a divergent lens.
  • the focusing divergent lens is situated at about the middle of the tube
  • all the above.
Q21 | Imaginary line passing through points having equal magnetic declination is termed as
  • isogon
  • agonic line
  • isoclinic line
  • none of these
Q22 | While measuring a chain line between two stations A and B intervened by a raised ground
  • vision gets obstructed
  • chaining gets obstructed
  • both vision and chaining get obstructed
  • all the above.
Q23 | A clinometer is used for
  • measuring angle of slope
  • correcting line of collimation
  • setting out right angles
  • defining natural features.
Q24 | The whole circle bearing of a line is 290°. Its reduced bearing is
  • N 20° E
  • N 20° W
  • N 70° W
  • S 70° E
Q25 | The reduced bearing of a line is N 87° W. Its whole circle bearing is
  • 87°
  • 273°
  • 93°