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Civil Engineering :: Advanced Surveying

  1. The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is

  2. A.
    1 : 10,000
    B.
    1 : 15,000
    C.
    1 : 20,000
    D.
    1 : 30,000.

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  3. A nautical mile is

  4. A.
    one minute arc of the great circle passing through two points
    B.
    one minute arc of the longitude
    C.
    6080 ft
    D.
    1855.109 m
    E.
    all the above.

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  5. The following points form a pair of homologous points :

  6. A.
    Photo principal point and ground principal point
    B.
    Photo isocentre and ground isocentre
    C.
    Photo plumb point and ground plumb point
    D.
    all the above.

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  7. The latitude of the observer's position, is

  8. A.
    elevation of the elevated pole
    B.
    declination of the observer's zenith
    C.
    angular distance along the observer's meridian between equator and the observer
    D.
    north or south according as the observer is north of equator or south of equator
    E.
    all the above.

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  9. The maximum error in radial line assumption, is

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  11. The moon rotates round the earth once in every

  12. A.
    29 days
    B.
    29.35 days
    C.
    29.53 days
    D.
    30 days.

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  13. The First Point of Aeries

  14. A.
    is the point in the celestial sphere where zero meridian crosses the celestial equator
    B.
    is usually denoted by the Greek letter γ
    C.
    is located near the very conspicuous rectangle of stars in the constellations of Pegasus and Andromeda.
    D.
    all the above.

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  15. The parallax of a point on the photograph is due to

  16. A.
    ground elevation
    B.
    flying height
    C.
    length of air base
    D.
    focal length of the camera.
    E.
    all the above.

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  17. A star may culminate at zenith if its declination is

  18. A.
    greater than the longitude of the place
    B.
    less than the latitude of the place
    C.
    equal to the latitude of the place
    D.
    none of these.

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  19. For adjusting a quadrilateral whose both the diagonals are observed, the equations of conditions involved, are

  20. A.
    two angle equations and two side equations
    B.
    one angle equation and three side equations
    C.
    three angle equations and one side equation
    D.
    none of these.

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