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Civil Engineering :: Advanced Surveying

  1. The negative sign is assigned to

  2. A.
    reduction to mean sea level
    B.
    correction for horizontal alignment
    C.
    correction for slope
    D.
    correction for slope
    E.
    all the above.

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  3. Pick up the correct statement from the following :

  4. A.
    The star's movement is apparent due to the actual steady rotation of the earth about its axis
    B.
    The stars move round in circular concentrated parts
    C.
    The centre of the circular paths of stars is the celestial pole
    D.
    The axis of rotation is a fixed direction of a particular diameter of the celestial sphere either end of which is a pole
    E.
    All the above.

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  5. The method of surveying by triangula-tion was first introduced by the Dutchman Snell in

  6. A.
    1600
    B.
    1615
    C.
    1630
    D.
    1650
    E.
    1680.

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  7. Right ascension of a heavenly body is its equatorial angular distance measured

  8. A.
    westward from the first point of Libra
    B.
    eastward from the first point of Aeries
    C.
    westward from the first point of Aeries
    D.
    eastward from the first point of Libra.

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  9. Pick up the incorrect statement from the following. In a spherical triangle

  10. A.
    every angle is less than two right angles
    B.
    sum of the three angles is equal to two right angles
    C.
    sum of the three angles less than six right angles and greater than two right angles
    D.
    if the sum of any two sides is π, the sum of the angles opposite them is also π
    E.
    sum of any two sides is greater than the third.

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  11. The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called

  12. A.
    equator
    B.
    celestial equator
    C.
    ecliptic
    D.
    none of these.

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  13. The normal longitudinal overlap is generally kept

  14. A.
    50%
    B.
    60%
    C.
    70%
    D.
    75%.

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  15. Pick up the in-correct statement from the folowing :

  16. A.
    Correction for refraction is always negative
    B.
    Correction for parallax is always positive
    C.
    Correction for semi-diameter is always negative
    D.
    Correction for dip is always negative
    E.
    None of these.

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  17. If E is the spherical excess and R the radius of the earth, the surface area of the triangle, is

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  19. Triangulation surveys are carried out for providing

  20. A.
    planimetric control
    B.
    height control
    C.
    both planimetric and height control
    D.
    none of these.

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