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  • Question
  • The slope correction for a length of 30 m along a gradient of 1 in 20, is


  • Options
  • A. 3.75 cm
  • B. 0.375 cm
  • C. 37.5 cm
  • D. 2.75 cm.

  • Correct Answer
  • 3.75 cm 


  • Surveying problems


    Search Results


    • 1. If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to

    • Options
    • A. 573 S/R
    • B. 573 R/S
    • C. 171.9 S/R
    • D. 1718.9 R/S
    • E. 1718.9 S/R.
    • Discuss
    • 2. Pick up the correct statement from the following :

    • Options
    • A. the eyepiece plays no part in defining the line of sight
    • B. the diaphragm plays no part in defining the line of sight
    • C. the optical centre of the objective plays no part in defining the line of sight
    • D. none of these.
    • Discuss
    • 3. Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than

    • Options
    • A. 30 m
    • B. 25 m
    • C. 20 m
    • D. 15 m
    • Discuss
    • 4. The main principle of surveying is to work

    • Options
    • A. from part to the whole
    • B. from whole to the part
    • C. from higher level to the lower level
    • D. from lower level to higher level.
    • Discuss
    • 5. The 'fix' of a plane table station with three known points, is bad if the plane table station lies

    • Options
    • A. in the great triangle
    • B. outside the great triangle
    • C. on the circumference of the circumscribing circle
    • D. none of these.
    • Discuss
    • 6. Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is

    • Options
    • A. 10 cm
    • B. 20 cm
    • C. 30 cm
    • D. 40 cm
    • Discuss
    • 7. Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following

    • Options
    • A. chain surveying
    • B. compass surveying
    • C. plan table surveying
    • D. tacheometric surveying.
    • Discuss
    • 8. The most reliable method of plotting a theodolite traverse, is

    • Options
    • A. by consecutive co-ordinates of each station
    • B. by independent co-ordinates of each station
    • C. by plotting included angles and scaling off each traverse leg
    • D. by the tangent method of plotting.
    • Discuss
    • 9. If h is the difference in level between end points separated by l, then the slope correction is . The second term may be neglected if the value of h in a 20 m distance is less than

    • Options
    • A. m
    • B. 1 m
    • C. 2 m
    • D. 3 m
    • Discuss
    • 10. The radius of curvature of the arc of the bubble tube is generally kept

    • Options
    • A. 10 m
    • B. 25 m
    • C. 50 m
    • D. 100 m
    • Discuss


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