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Surveying problems

  • 1. A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be

  • Options
  • A. 1.435
  • B. 1.345
  • C. 1.425
  • D. none of these.
    • Discuss
  • 2. In a precision traverse, included angles are measured by setting the vernier

  • Options
  • A. to read zero exactly on back station
  • B. to read 5° exactly on back station
  • C. some where near zero and reading both verniers on back station
  • D. all the above.
    • Discuss
  • 3. Pick up the correct statement from the following :

  • Options
  • A. an observation or the resulting reading with the level on a levelling staff is called sight
  • B. a back sight is the first sight taken after setting up the instrument in any position
  • C. the first sight on each change point is a fore sight
  • D. the second sight on each change point is a back sight
  • E. all the above.
    • Discuss
  • 4. The rise and fall method of reduction of levels, provides a check on

  • Options
  • A. back sights
  • B. fore sights
  • C. intermediate sights
  • D. all of these.
    • Discuss
  • 5. An angles of 45° with a chain line may be set out with

  • Options
  • A. optical square
  • B. open cross staff
  • C. Fench cross staff
  • D. prismatic square.
    • Discuss
  • 6. In chain surveying, perpendiculars to the chain line, are set out by

  • Options
  • A. a theodolite
  • B. a prismatic compass
  • C. a level
  • D. an optical square
    • Discuss
  • 7. The area of any irregular figure of the plotted map is measured with

  • Options
  • A. pentagraph
  • B. sextant
  • C. clinometer
  • D. planimeter
  • E. optical square
    • Discuss
  • 8. If ? is the angle of deflection of a simple curve of radius R, the length of the curve is :

  • Options
  • A.
  • B.
  • C.
  • D. .
    • Discuss
  • 9. Civil Engineering Surveying: is the conventional si is the conventional sign of

  • Options
  • A. temple
  • B. mosque
  • C. idgah
  • D. church
  • E. fort.
    • Discuss
  • 10. The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly

  • Options
  • A. 0.043 m
  • B. 0.053 m
  • C. 0.063 m
  • D. 0.073 m
  • E. 0.083 m
    • Discuss

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