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Civil Engineering :: Surveying

  1. A telescope is said to be inverted if its

  2. A.

     vertical circle is to its right and the bubble of the telescope is down

    B.

     vertical circle is to its right and the bubble of the telescope is up

    C.

     vertical circle is to its left and the bubble of the telescope is down

    D.

     vertical circle is to its left and the bubble of the telescope is up


  3. Size of a theodolite is specified by

  4. A.

     the length of telescope

    B.

     the diameter of vertical circle

    C.

     the diameter of lower plate

    D.

     the diameter of upper plate


  5. If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be

  6. A.

     +50 m, +86.6 m

    B.

     +86.6 m, -50 m

    C.

     +50 m, -86.6 m

    D.

     +70.7 m, -50 m


  7. A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is

  8. A.

     Δ/2

    B.

     Δ/3

    C.

     Δ/4

    D.

     Δ/6


  9. A plate parallel is the line on the plane of the negative

  10. A.

     Parallel to the principal line

    B.

     Perpendicular to the principal line

    C.

     Along the bisector of the angle between the principal line and a perpendicular line through principal plane

    D.

     None of these


  11. At eastern elongation, the pole star moves

  12. A.

     Eastward

    B.

     Westward

    C.

     Northward

    D.

     Southward


  13. At upper culmination, the pole star moves

  14. A.

     Eastward

    B.

     Westward

    C.

     Northward

    D.

     Southward


  15. At western elongation, the pole star moves

  16. A.

     Eastward

    B.

     Westward

    C.

     Northward

    D.

     Southward


  17. At lower culmination, the pole star moves

  18. A.

     Eastward

    B.

     Westward

    C.

     Northward

    D.

     Southward


  19. The instrument used for accurate centering in plane table survey is

  20. A.

     spirit level

    B.

     alidade

    C.

     plumbing fork

    D.

     trough compass