The effective depth of a singly reinforced rectangular beam is 300mm. the section is over-reinforced and the neutral axis is 120mm below the top. If the maximum stress attained by concrete is 5N/mn2  and the modular ratio is 18, then the stress developed in
the steel will
(a) 130N/mm2
(b) 135N/mm2
(c) 160N/mm2
(d) 180N/mm2

1 Answer

Answer :

(b) 135N/mm2

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