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JCECE Engineering JCECE Engineering Solved Paper-2012

  • question_answer
    The stress-strain curves for three wires of different materials are shown in figure, where \[P,\,\,\,Q\] and \[R\] are the elastic limits of the wires. The figure shows that

    A)  elasticity of wire \[P\] is maximum

    B)  elasticity of wire \[Q\] is maximum

    C)  elasticity of wire \[R\] is maximum

    D)   None of the above is true

    Correct Answer: D

    Solution :

    As stress is shown on t-axis and strain on\[y-axis\]. So, we can say that\[Y=\cot \theta =\frac{1}{\tan \theta }=\frac{1}{slope}\] So, elasticity of wire \[P\] is minimum and of wire \[R\] is maximum.


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