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R.S.J. stands for _________(a) Reinforced steel joists(b) Reinforced stone joists(c) Rolled steel joists(d) Rolled stone joistsI got this question by my school teacher while I was bunking the class.This interesting question is from Types of Upper Floors in section Floors and Flooring of Construction & Building Materials

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Right option is (C) Rolled steel joists

Explanation: The FULL form of R.S.J is rolled steel joists. The cross-section of an R.S.J. beam is USUALLY I or H shaped. It is GENERALLY made of mild steel but ALUMINIUM and some other materials can also be used.



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