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Discussion :: GATE Metallurgical

  1. The yield strength of a polycrystalline metal increases from 100 MPa to 145 MPa on decreasing the grain size from 64 μm to 25 μm. The yield strength of this metal (in MPa) having a grain size of 36 μm is
    2. A.
    110
    B.
    125
    C.
    140
    D.
    165

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    Answer : Option B

    Explanation :

    -NA-

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