Find minimum range of stresses if fct is 15n/mm2, fcw is 17, ftw is zero, fu is -1n/mm2, ‚Äö√Ñ¬∂‚Äö√¢‚Ä¢ is 0.8?$

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

1.	Find minimum range of stresses if fct is 15n/mm2, fcw is 17, ftw is zero, fu is -1n/mm2, ‚Äö√Ñ¬∂‚Äö√¢‚Ä¢ is 0.8?$
A.	12 and 18n/mm<sup>2</sup>
B.	13 and 14n/mm<sup>2</sup>
C.	12 and 15n/mm<sup>2</sup>
D.	10 and 16n/mm<sup>2</sup>
Answer» B. 13 and 14n/mm<sup>2</sup>

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Find minimum range of stresses if fct is 15n/mm2, fcw is 17, ftw is zero, fu is -1n/mm2, ‚Äö√Ñ¬∂‚Äö√¢‚Ä¢ is 0.8?$

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