According to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is_____________?
B. 10 kg/cm 2
C. 15 kg/cm2
D. 20 kg/cm2
B. 10 kg/cm 2
C. 15 kg/cm2
D. 20 kg/cm2
B. 10 kg/cm 2
C. 15 kg/cm2
D. 20 kg/cm2
B. 10 kg/cm 2
C. 15 kg/cm2
D. 20 kg/cm2