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steel bars, each of length 3.0m at 28°c, are to used for constructing a tall...

steel bars, each of length 3.0m at 28°c, are to used for constructing a tall line. if the linear expansivity of steel is 1.0×10°c, what is the safety gap that must be left between successive bars if the highest temperature expected is 40 A. 1.2×10-¹cm B. 8.4×10-²cm C. 7.2×10-²cm D. 3.6×10-cm .[1992/12]?
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Asked by Excel on 26th February, 2022
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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709