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Arches

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Question 1 of 5

A cable of span 10m with a dip of 4m is subjected to a temperature rise of $30^\circ\mathrm{C}$ . Coefficient of thermal expansion of steel cable used is $12 \times 10^{-6}/^\circ C$ . Increase in the dip of cable and percentage change in stress respectively are:

$2.69 \mathrm{~mm}$ and $0.04 \%$

$2.69 \mathrm{~mm}$ and $0.08 \%$

$1.69 \mathrm{~mm}$ and $0.08 \%$

$1.69 \mathrm{~mm}$ and $0.04 \%$

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Arches

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Question 1 of 5

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