1.

Find ratio for ultimate flexural strength at the centre – span section given that Aps = 3000mm2, d= 1150mm, fcu = 50n/mm2, bw = 150mm, fpu = 1500n/mm2, b = 600mm, ht = 250mm, design ultimate moment mud = 3400knm?$

A. 9.5
B. 0.23
C. 6.7
D. 3.4
Answer» C. 6.7


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