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  • Question

  • The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is


  • Options
  • A. 502.685 m
  • B. 501.345 m
  • C. 501.340 m
  • D. 504.030 m
  • E. 502.585 m.

  • Correct Answer
  • 501.340 m 

    • Surveying problems

    Search Results

    • 1. If the declination of the needle is 10° W

    • Options
    • A. each of the whole circle reckoning has to be micros by 10°
    • B. in the quadrantal method, the correction is positive in the 1st and 3rd quadrants
    • C. in the quadrantal method, the corrections is negative in 2nd and 4th quadrants
    • D. all the above.
      • Discuss
    • 2. The method generally preferred to for contouring an undulating area, is

    • Options
    • A. chain surveying
    • B. plane table surveying
    • C. tacheometrical surveying
    • D. compass surveying.
      • Discuss
    • 3. If ? is the angle of deflection of a simple curve of radius R, the distance between the mid-point of the curve and long chord, is

    • Options
    • A.
    • B.
    • C.
    • D. .
      • Discuss
    • 4. Number of links per metre length of a chain are

    • Options
    • A. 2
    • B. 5
    • C. 8
    • D. 10
    • E. 20
      • Discuss
    • 5. The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as

    • Options
    • A. chromatic aberration
    • B. spherical aberration
    • C. astigmatism
    • D. coma.
      • Discuss
    • 6. The conventional sign shown in below figure represents a

    • Options
    • 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.
      • Discuss
    • 7. For taking offsets with an optical square on the right hand side of the chain line, it is held

    • Options
    • A. by right hand upside down
    • B. by left hand upright
    • C. by right hand upright
    • D. by left hand up side down.
      • Discuss
    • 8. While setting a plane table at a station it was found that the error in centering was 30 cm away from the ray of length 40 m drawn from the station. If the scale of the plan is 1 cm = 2 cm, the displacement of the end of the ray in plan from the true position will be

    • Options
    • A. 0.02 cm
    • B. 0.15 cm
    • C. 02 cm
    • D. 0.1 cm
      • Discuss
    • 9. The angle of intersection of a curve is the angle between

    • Options
    • A. back tangent and forward tangent
    • B. prolongation of back tangent and forward tangent
    • C. forward tangent and long chord
    • D. back tangent and long chord.
      • Discuss
    • 10. If 50 m point of a 100 m tape is 50 cm off line, and 50 m sections are straight, an error is generated equal to

    • Options
    • A.
    • B.
    • C.
    • D. .
      • Discuss

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