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Discussion :: Chemical Engineering Basics-2

  1. Material of construction of surveying metallic tapes is __________ which has low coefficient of expansion & enough strength.

    2. A.

     Constantan
    B.

     Invar
    C.

     Pewter metal
    D.

     Monel metal

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    Workspace

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    Answer : Option B

    Explanation :

    Explanation Not Provided

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