Find the Permissible stresses and range of stresses for class 1 struct – McqOptions

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1.	Find the Permissible stresses and range of stresses for class 1 structure fcu = 50n/mm2, fck = 35n/mm2 according to BS: 8110 recommendations for fcu = 50n/mm2 and fci = 35n/mm2,fct = 0.5fci = 17.5n/mm2?
A.	16.5n/mm<sup>2</sup>
B.	12.56n/mm<sup>2</sup>
C.	13.56n/mm<sup>2</sup>
D.	12.00n/mm<sup>2</sup>
Answer» B. 12.56n/mm<sup>2</sup>

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