Question

    pF value of hygroscopic coefficient

    is 
    A 4.5 Correct Answer Incorrect Answer
    B 7.0 Correct Answer Incorrect Answer
    C 7.5 Correct Answer Incorrect Answer
    D 2.3 Correct Answer Incorrect Answer

    Solution

    Hygroscopic water - Tension -31 bar & 4.5 pF. 

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