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Surveying problems


  • 1. The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known

  • Options
  • A. balancing the sights
  • B. balancing the departures
  • C. balancing the latitudes
  • D. balancing the traverse.
  • Discuss
  • 2. Pick up the correct statement from the following :

  • Options
  • 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.
  • Discuss
  • 3. A back sight

  • Options
  • 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.
  • Discuss
  • 4. The diaphragm of a stadia theodolite is fitted with two additional

  • Options
  • A. horizontal hairs
  • B. vertical hairs
  • C. horizontal and two vertical hairs
  • D. none of these.
  • Discuss
  • 5. On a diagonal scale, it is possible to read up to

  • Options
  • A. one dimension
  • B. two dimensions
  • C. three dimensions
  • D. four dimensions.
  • Discuss
  • 6. Cross hairs in surveying telescopes, are fitted

  • Options
  • 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.
  • Discuss
  • 7. Pick up the correct specification of Ramsden eyepiece from the following :

  • Options
  • A. it consists of two equal piano convex lenses
  • B. the curved surfaces of plano-convex lenses face each other
  • C. the two lenses are separated by a distance equal to 2/3 of the focal length of either lens.
  • D. 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
  • E. all the above.
  • Discuss
  • 8. The systematic errors which persist and have regular effects in the performance of a survey operation, are due to

  • Options
  • A. carelessness
  • B. faulty instrument
  • C. inattention
  • D. none of these.
  • Discuss
  • 9. 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

  • Options
  • A. 2.900 m
  • B. 3.030 m
  • C. 0.770 m
  • D. 0.785 m
  • E. 1.770 m.
  • Discuss
  • 10. The area of a plane triangle ABC, having its base AC and perpendicular height h, is

  • Options
  • A. bh
  • B. ba sin C
  • C. bc sin A
  • D. S(S - a)(S - b)(S - c)
    where S is
  • E. all the above
  • Discuss

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