According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is_____________?

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According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is_____________?

A. 5 kg/cm2 (Correct)
B. 10 kg/cm 2
C. 15 kg/cm2
D. 20 kg/cm2