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Railways NTPC (Technical Ability) Fluid Mechanics and Machinery Question Bank Fluid Mechanics and Machinery

  • question_answer
    Surface tension is a phenomenon because of:

    A)  viscous forces only

    B)  Adhesion between liquid and solid molecules

    C)  Difference in magnitude between the forces due to adhesin and cohesion

    D)  cohesion only

    Correct Answer: D

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