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Discussion :: GATE Metallurgical

  1. Match the principles given in Group I with corresponding corrosion terminology in Group II
    Group I                                   Group II
    P. Electrode polarization 1. Dezincification
    Q. Passivity                      2. Intergranular attack
    R. Selective leaching         3. Over voltage
    S. Grain boundary precipitation 4. Surface oxide film
    2. A.
    P-3, Q-4, R-1, S-2
    B.
    P-3, Q-4, R-2, S-1
    C.
    P-4, Q-2, R-1, S-3
    D.
    P-2, Q-1, R-4, S-3

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    Answer : Option A

    Explanation :

    -NA-

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