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As a result of a temperature rise of 64...

As a result of a temperature rise of `64^@C` , a bar with a crack at centre buckles upward (Fig . 18-20 ). The fixed distance `L_0` is 3.77 m and the coefficient of linear expansion of the bar is Find the rise `25 xx 10^(-6)//""^@C` of the centre .

Text Solution

Verified by Experts

The correct Answer is:
`0.1066 m ~~ 0.11 m`
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As a result of temp rise of 32^(@)C , a bar with a crack at its centre buckless upward. If the fixed distance l_(0) is 4m , and coefficeient of linear expansion of bar in 25 xx 10^(-5)'^(@)C^(-1) . Find the rise x (in cm) of the centre.

As a result of temperature rise of 32^(@)C a bar with a crack at its centre buckles upwards. If the fixed distance be L_(0)=4.0m and the temperature coefficient of linear expansion be alpha=25xx10^(-6)//C^(@) , find the distance x by which the centre rises.

Knowledge Check

  • The coefficient of linear expansion of a metal rod is 12 xx 10^(-6//0)C , its value in per ^(0)F

    A
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    B
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    C
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  • An iron bar 10 cm in length is kept at 20^@C . If the coefficient of linear expansion of iron is alpha = 11 xx 10^(-6).^(@)C^(-1) , then at 19^(@)C it will be

    A
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    B
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    C
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    D
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    A
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    B
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    C
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    A bar with a crack at its centre buckles as a result of temperature rise of 32^(@)C . If the fixed distacne L_(0) is 3.77 m and the coefficient of linear expansion of the bar is 25xx10^(6)//""^(@)C find the rise (in metre) of the centre.

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