What is the minimum cement content for a reinforced concrete structural member subjected to moderate exposure condition as per IS 456 ∶ 2000? Assume 20 mm nominal maximum size aggregate are used.

What is the minimum cement content for a reinforced concrete structura

1.	What is the minimum cement content for a reinforced concrete structural member subjected to moderate exposure condition as per IS 456 ∶ 2000? Assume 20 mm nominal maximum size aggregate are used.
A.	350 kg/m3
B.	380 kg/m3
C.	300 kg/m3
D.	280 kg/m3
Answer» D. 280 kg/m3