Steel bars of lengths 3m are use for construction of a rail line. If the linear expansivity of the steel is 1.0×10restu the paper of -5 calculate the safety gap that must be left between successive bars if the highest temptature expected is41°c.

Steel bars of lengths 3m are use for construction of a rail line. If t

1.	Steel bars of lengths 3m are use for construction of a rail line. If the linear expansivity of the steel is 1.0×10restu the paper of -5 calculate the safety gap that must be left between successive bars if the highest temptature expected is41°c.
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Steel bars of lengths 3m are use for construction of a rail line. If the linear expansivity of the steel is 1.0×10restu the paper of -5 calculate the safety gap that must be left between successive bars if the highest temptature expected is41°c.

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