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  • Question
  • If h is the difference in level between end points separated by l, then the slope correction is If h is the difference in level between end points separated by l, then the slope correction is . Th . The second term may be neglected if the value of h in a 20 m distance is less than


  • Options
  • A. If h is the difference in level between end points separated by l, then the slope correction is . Th m
  • B. 1 m
  • C. 2 m
  • D. 3 m

  • Correct Answer
  • 3 m 


  • Surveying problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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.
    • Discuss
    • 5. 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
    • 6. 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
    • 7. If ? is the slope of the ground and l is the measured distance, the correction is

    • Options
    • A. 2l sin2 ?/2
    • B. 2l cos2 ?/2
    • C. 2l tan2 ?/2
    • D. 2l cot2 ?/2.
    • Discuss
    • 8. For true difference in elevations between two points A and B, the level must be set up

    • Options
    • A. at any point between A and B
    • B. at the exact mid point of A and B
    • C. near the point A
    • D. near the point B.
    • Discuss
    • 9. Pick up the correct statement from the following:

    • Options
    • A. the theodolite in which telescope can be rotated in vertical plane is called a transmit
    • B. when the vertical circle is to the left of the telescope during observation, it is called to be in left face
    • C. when the vertical circle is to the right of the telescope during observation, it is called to be in right face
    • D. all the above.
    • Discuss
    • 10. If L is the perimeter of a closed traverse, ?D is the closing error in departure, the correction for the departure of a traverse side of length l, according to Bowditch rule, is

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


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