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  • Question

  • Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value, state whether the line of sight AB


  • Options
  • A. passes clear of hill top C
  • B. passes below the hill top C
  • C. grazes the hill top C
  • D. none of these.

  • Correct Answer
  • passes below the hill top C 

    • Surveying problems

    Search Results

    • 1. Metric chains are generally available in

    • Options
    • A. 10 m and 20 m length
    • B. 15 m and 20 m length
    • C. 20 m and 30 m length
    • D. 25 m and 100 m length
      • Discuss
    • 2. It ? is the probable error of an observed bearing of a line of length l, the error over the whole length of the traverse of n lines of length l is

    • Options
    • A. l n
    • B. n
    • C. ?
    • D. ? n
      • Discuss
    • 3. If the area calculated form the plan plotted with measurements by an erroneous chain, accurate area of the plan is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E. none of the above
      • Discuss
    • 4. For a curve of radius 100 m and normal chord 10 m, the Rankine's deflection angle, is

    • Options
    • A. 0°25'.95
    • B. 0°35'.95
    • C. 1°25'.53
    • D. 1°35'.95
    • E. 2°51'.53.
      • Discuss
    • 5. Keeping the instrument height as 1 m, length of staff 4 m, the up gradient of the ground 1 in 10, the sight on the up slope must be less than

    • Options
    • A. 25 cm
    • B. 20 m
    • C. 45 m
    • D. 10 m
      • Discuss
    • 6. If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by

    • Options
    • A. Bowditch's rule
    • B. Transit rule
    • C. Empirical rule
    • D. all of the above.
      • Discuss
    • 7. The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be

    • Options
    • A. 13.75 m
    • B. 3.44 m
    • C. 1375 m
    • D. none of these.
      • Discuss
    • 8. Setting out a curve by two theodolite method, involves

    • Options
    • A. linear measurements only
    • B. angular measurements only
    • C. both linear and angular measurements
    • D. none of these.
      • Discuss
    • 9. Plotting of inaccessible points on a plane table, is done by

    • Options
    • A. intersection
    • B. traversing
    • C. radiation
    • D. none of these.
      • Discuss
    • 10. Pick up the correct statement from the following :

    • Options
    • A. the length of the brass handle is included in the length of chain
    • B. the handles are on swivel joints to prevent twisting of the chain
    • C. the fifth tag from either end of the chain is numbered 5
    • D. the length of the Gunter's chain is 66 ft.
    • E. all the above.
      • Discuss

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