According to IRC:15-2011, maximum free W/C ratio for OPC is ____________

Maximum size of aggregates should not be larger than ___________

What is the approx. mix proportion for M15?

Determine the amount of cement per unit volume of concrete from __________

IS 650:1991 is for ________

According to IRC:15-2011, maximum free W/C ratio for PPC is _____

The mineral oil if present in mixing for concrete __________

Which test is used to determine the dimensions of any object?