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    1).
    In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, is
    A   35%   
    B   50%   
    C   65%   
    D   none of these.   
    ANS: C - 65%

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    2).
    The active earth pressure of a soil is proportional to (where φ is the angle of friction of the soil)
    A   tan (45° - φ)   
    B   tan2 (45° + φ/2)   
    C   tan2 (45° - φ/2)   
    D   tan (45° + φ)   
    ANS: C - tan2 (45° - φ/2)

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    3).
    The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter, is known
    A   liquid limit   
    B   plastic limit   
    C   shrinkage limit   
    D   permeability limit   
    ANS: B - plastic limit

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    4).
    Pick up the correct statement from the following:
    A   The rise of the ground surface due to frost action is called frost heave.   
    B   The freezing of water is accompained by a volume increase of 9%   
    C   Below freezing point, higher soil suction develops.   
    D   The magnitude of frost heave decreases as the degree of saturation of soil decreases   
    E   All the above.   
    ANS: E - All the above.

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    5).
    Which one of the following statements is true ?
    A   Clays are more porous than sands   
    B   Pressure of organic matter in a soil decreases the bearing capacity of the soil   
    C   Aluminous cement is used for foundations in soils with chemical deposits   
    D   All the above.   
    ANS: D - All the above.

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    6).
    The lateral earth pressure on a retaining wall
    A   is equal to mass of the soil retained   
    B    proportional to the depth of the soil   
    C   proportional to the square of the depth of the soil   
    D   proportional to the internal friction of the soil   
    E   none of these.   
    ANS: D - proportional to the internal friction of the soil

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    7).
    The internal molecular attraction of a soil, the cohesion
    A   decreases as the moisture content increases   
    B   increases as the moisture content decreases   
    C   is more in well compacted clays   
    D   depends upon the external applied load.   
    ANS: B - increases as the moisture content decreases

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    8).
    The quantity of seepage of water through soils is proportional to
    A   coefficient of permeability of soil   
    B   total head loss through the soil   
    C   neither (a) nor (b)   
    D   both (a) and (b).   
    ANS: D - both (a) and (b).

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    9).
    When drainage is permitted under initially applied normal stress only and full primarily consolidation is allowed to take place, the test is known as
    A   quick test   
    B   drained test   
    C   consolidated undrained test   
    D   none of these.   
    ANS: C - consolidated undrained test

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    10).
    The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known
    A   liquid limit   
    B   plastic limit   
    C   shrinkage limit   
    D   permeability limit   
    ANS: A - liquid limit

    No answer description available for this question