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  • Question

  • If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs, the accuracy of the traverse may be improved by


  • Options
  • A. taking short legs
  • B. making repeated observations of angular and linear measurements
  • C. making a subsidiary traverse to determine the length of a long leg
  • D. all the above.

  • Correct Answer
  • making a subsidiary traverse to determine the length of a long leg 

    • Surveying problems

    Search Results

    • 1. Accidental or compensating errors of length L are proportional to

    • Options
    • A. L
    • B. L
    • C.
    • D. 1/L.
      • Discuss
    • 2. You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of

    • Options
    • A. repetition
    • B. reiteration
    • C. double observations
    • D. exactness.
      • Discuss
    • 3. If L is the specified length of a tape, L1 its actual length and S the measured distance, then, the true distance is given by the formula,

    • Options
    • A.
    • B.
    • C.
    • D. .
      • Discuss
    • 4. The conventional sign shown in below figure represents a

    • Options
    • A. road bridge
    • B. railway bridge
    • C. canal bridge
    • D. aquaduct.
      • Discuss
    • 5. Subtense tacheometry is generally preferred to if ground is

    • Options
    • A. flat
    • B. undulating
    • C. mountaineous
    • D. deserts.
      • Discuss
    • 6. The operation of resection involves the following steps

      1. rough orientation of the plane table
      2. the three lines form a triangle of error
      3. drawing lines back through the three control points
      4. select a point in the triangle of error such that each ray is equally rotated either clockwise or anti clockwise
      5. the points obtained by three rays is the correct location.

      The correct sequence is

    • Options
    • A. 1, 3, 2, 4, 5
    • B. 1, 2, 3, 4, 5
    • C. 1, 4, 3, 2, 5
    • D. 1, 4, 2, 3, 5
      • Discuss
    • 7. Pick up the correct statement from the following

    • Options
    • A. 1 second of arc corresponds to a displacement ratio of 1:206, 300
    • B. 1 degree of arc corresponds to a displacement ratio of 1:57
    • C. the angular errors tend to propagate themselves along a traverse as the square root of the number of stations
    • D. the errors arising from the linear measures tend to be roughly proportional to the lengths of the lines
    • E. all the above.
      • Discuss
    • 8. Check lines (or proof lines) in Chain Surveying, are essentially required

    • Options
    • A. to plot the chain lines
    • B. to plot the offsets
    • C. to indicate the accuracy of the survey work
    • D. to increase the out-turn
      • Discuss
    • 9. The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as

    • Options
    • A. traverse leg
    • B. a base
    • C. traverse base
    • D. all the above.
      • Discuss
    • 10. A sewer is laid from a manhole A to a manhole B, 250 m away along a gradient of 1 in 125. If the reduced level of the invert at A is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at B, is

    • Options
    • A. 208.75 m
    • B. 202.75 m
    • C. 206.75 m
    • D. 211.75 m
      • Discuss

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