The indenter used in Brinell hardness test is a ____________

IS Code of practice for plain and reinforced concrete is ____

Maximum size of aggregates should not be larger than ___________

According to IRC:15-2011 ___% Fly ash is required to be replaced with the total cementitious materials.

IS 1199:1959 is for ________

The loss in weight should not exceed ____ % when tested with Na2SO4 and ____ % with MgSO4 solution.

IS 650:1991 is for ________

According to IRC:15-2011, Minimum cement content for 4.5 N/mm2 characteristic flexural strength for OPC shall _________