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  • Question
  • Pantagraph is used for


  • Options
  • A. measuring distances
  • B. measuring areas
  • C. enlarging or reducing plans
  • D. setting out right angles

  • Correct Answer
  • enlarging or reducing plans 


  • Surveying problems


    Search Results


    • 1. In levelling operation

    • Options
    • A. when the instrument is being shifted, the staff must not be moved
    • B. when the staff is being carried forward, the instrument must remain stationary
    • C. both (a) and (b)
    • D. neither (a) nor (b).
    • Discuss
    • 2. An ideal transition curve is

    • Options
    • A. cubic parabola
    • B. cubic spiral
    • C. clothoid spiral
    • D. true spiral.
    • Discuss
    • 3. The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known

    • Options
    • A. declination
    • B. azimuth
    • C. dip
    • D. bearing.
    • Discuss
    • 4. Pick up the most favourable condition for the rapid growth of fungus for dry rot from the following:

    • Options
    • A. absence of sun light
    • B. dampness
    • C. presence of sap
    • D. stagnant air
    • E. All the above,
    • Discuss
    • 5. Most commonly used solvent in oil paints, is

    • Options
    • A. petroleum
    • B. spirit
    • C. coaltar
    • D. turpentine.
    • Discuss
    • 6. The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every

    • Options
    • A. 100 sq. km of area
    • B. 150 sq. km of area
    • C. 200 sq. km of area
    • D. none of these.
    • Discuss
    • 7. Centering error of a theodolite produces an error

    • Options
    • A. in all angles equally
    • B. which does not vary with the direction or pointing
    • C. which varies with the direction of pointing and inversely with the length of sight
    • D. none of these.
    • Discuss
    • 8. Let angular value of one graduation of a tube of length x be ? seconds and R be the radius of its internal curved surface, then

    • Options
    • A.
    • B.
    • C.
    • D. .
    • Discuss
    • 9. When the bubble of the level tube of a level, remains central

    • Options
    • A. line of sight is horizontal
    • B. axis of the telescope is horizontal
    • C. line of collimation is horizontal
    • D. geometrical axis of the telescope is horizontal.
    • Discuss
    • 10. The angle between two plane mirrors of optical square, is

    • Options
    • A. 20°
    • B. 30°
    • C. 45°
    • D. 60°
    • E. 90°.
    • Discuss


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