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Discussion :: GATE Architecture and Planning

  1. An unplastered brickwork has a resistivity of 0.83 m degC/W. For a 230 mm thick brick wall, the inside and outside surface resistances are 0.123 and 0.1 m2 degC/W respectively. 
    The brick wall has an overall dimension of 6m x 3m with a 1m x 2m window assembly (U-value = 2.5 W/m2 degC) and a 1m x 2.1m door assembly (U-value = 1.25 W/m2 degC). The overall U-value of the wall (UO) (in W/m2 degC) is
    2. A.
    1.8
    B.
    2.3
    C.
    2.6
    D.
    3.7

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    Workspace

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    Answer : Option B

    Explanation :

    -NA-

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