According to IRC:15-2011, Minimum cement content for 4.5 N/mm2 characteristic flexural strength for OPC + fly ash mix OPC shall ___________?

Shall not be less than 500 kg/m 3

Shall not be less than 360 kg/ m3

Shall not be less than 425 kg/ m3

Shall not be less than 340 kg/ m3

Shall not be less than 500 kg/m3

According to IRC:15-2011, Minimum cement content for 4.5 N/mm2 charact

1.	According to IRC:15-2011, Minimum cement content for 4.5 N/mm2 characteristic flexural strength for OPC + fly ash mix OPC shall ___________?
A.	Shall not be less than 360 kg/ m<sup>3</sup>
B.	Shall not be less than 425 kg/ m<sup>3</sup>
C.	Shall not be less than 340 kg/ m<sup>3</sup>
D.	Shall not be less than 500 kg/m<sup>3</sup>
Answer» D. Shall not be less than 500 kg/m<sup>3</sup>