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Civil Engineering :: Surveying

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Surveying - Section 8
Surveying - section-9
  1. Agate cap is fitted with a

    2. A.

     cross staff
    B.

     level
    C.

     chain
    D.

     prismatic compass

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  2. International Date Line is located along

    3. A.

     Standard meridian
    B.

     Greenwich meridian
    C.

     Equator
    D.

     180° longitude

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  3. The length of a chain is measured from

    4. A.

     centre of one handle to centre of other handle
    B.

     outside of one handle to outside of other handle
    C.

     outside of one handle to inside of other handle
    D.

     inside of one handle to inside of other handle

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  4. The nautical mile is the length of

    5. A.

     1 minute of latitude
    B.

     1 minute of longitude
    C.

     1 degree of latitude
    D.

     1 degree of longitude

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  5. If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be

    6. A.

     1000 km
    B.

     800 km
    C.

     600 km
    D.

     500 km

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

    7. A.

     1 : 10,000
    B.

     1 : 15,000
    C.

     1 : 20,000
    D.

     1 : 30,000

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  7. In an internal focussing type of telescope, the lens provided is

    8. A.

     concave
    B.

     convex
    C.

     plano-convex
    D.

     plano-concave

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  8. Which of the following is not the function of levelling head ?

    9. A.

     to support the main part of the instrument
    B.

     to attach the theodolite to the tripod
    C.

     to provide a means for leveling the theodolite
    D.

     none of the above

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  9. Local attraction in compass surveying may exist due to

    10. A.

     incorrect levelling of the magnetic needle
    B.

     loss of magnetism of the needle
    C.

     friction of the needle at the pivot
    D.

     presence of magnetic substances near the instrument

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  10. A Nautical mile is

    11. A.

     One minute arc of the great circle passing through two points
    B.

     One minute arc of the longitude
    C.

     1855.109 m
    D.

     All the above

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