Find minimum range of stresses if fct is 15n/mm2, fcw is 17, ftw is zero, fu is -1n/mm2, ɳ is 0.8?

Find minimum range of stresses if fct is 15n/mm2, fcw is 17, ftw is z

1.	Find minimum range of stresses if fct is 15n/mm2, fcw is 17, ftw is zero, fu is -1n/mm2, ɳ is 0.8?
A.	12 and 18n/mm2
B.	13 and 14n/mm2
C.	12 and 15n/mm2
D.	10 and 16n/mm2
Answer» B. 13 and 14n/mm2

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Find minimum range of stresses if fct is 15n/mm2, fcw is 17, ftw is zero, fu is -1n/mm2, ɳ is 0.8?

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