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Steel bars each of length 3m at 28°C are to be used for constructing a...

Steel bars each of length 3m at 28°C are to be used for constructing a rail line. If the linear expansivity of steel is 1.0×10^-5k, What is the safety gap between successive bars , if the highest temperature expected is 40°C?
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Asked by daa on 2nd October, 2020
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