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  • Question
  • The Huygen's telescope eye piece


  • Options
  • A. is aplanatic
  • B. achromatic
  • C. both (a) and (b)
  • D. neither (a) nor (b).

  • Correct Answer
  • both (a) and (b) 


  • Surveying problems


    Search Results


    • 1. In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in

    • Options
    • A. north-west quadrant
    • B. north east quadrant
    • C. south-east quadrant
    • D. south-west quadrant.
    • Discuss
    • 2. The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known

    • Options
    • A. levelling
    • B. centering
    • C. orientation
    • D. setting.
    • Discuss
    • 3. A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
    • Discuss
    • 4. The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called

    • Options
    • A. brightness of telescope
    • B. magnification of telescope
    • C. resolving power of telescope
    • D. none of these.
    • Discuss
    • 5. Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as

    • Options
    • A. cadastral surveys
    • B. city surveys
    • C. topographical surveys
    • D. guide map surveys
    • E. plane surveys.
    • Discuss
    • 6. Profile levelling is usually done for determining

    • Options
    • A. contours of an area
    • B. capacity of a reservoir
    • C. elevations along a straight line
    • D. boundaries of property
    • Discuss
    • 7. Designation of a curve is made by :

    • Options
    • A. angle subtended by a chord of any length
    • B. angle subtended by an arc of specified length
    • C. radius of the curve
    • D. curvature of the curve.
    • Discuss
    • 8. If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for

    • Options
    • A. horizontal sights
    • B. inclined sights upward
    • C. inclined sight downward
    • D. none of these.
    • Discuss
    • 9. The chord of a curve less than peg interval, is known as

    • Options
    • A. small chord
    • B. sub-chord
    • C. normal chord
    • D. short chord.
    • Discuss
    • 10. Number of subdivisions per metre length of a levelling staff is

    • Options
    • A. 100
    • B. 200
    • C. 500
    • D. 1000
    • Discuss


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